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
  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 #if defined (__GNUG__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 6))
  98 #define TRUE_FALSE_ALREADY_DEFINED
  99 #endif
 100 #ifdef MPW
 101 /* Pre-emptive strike - get the file with the enum.  */
 102 #include <Types.h>
 103 #define TRUE_FALSE_ALREADY_DEFINED
 104 #endif /* MPW */
 105 #ifndef TRUE_FALSE_ALREADY_DEFINED
 106 typedef enum bfd_boolean {false, true} boolean;
 107 #define BFD_TRUE_FALSE
 108 #else
 109 /* Use enum names that will appear nowhere else.  */
 110 typedef enum bfd_boolean {bfd_fffalse, bfd_tttrue} boolean;
 111 #endif
 112
 113 /* Support for different sizes of target format ints and addresses.
 114    If the type `long' is at least 64 bits, BFD_HOST_64BIT_LONG will be
 115    set to 1 above.  Otherwise, if gcc is being used, this code will
 116    use gcc's "long long" type.  Otherwise, BFD_HOST_64_BIT must be
 117    defined above.  */
 118
 119 #ifndef BFD_HOST_64_BIT
 120 # if BFD_HOST_64BIT_LONG
 121 #  define BFD_HOST_64_BIT long
 122 #  define BFD_HOST_U_64_BIT unsigned long
 123 # else
 124 #  ifdef __GNUC__
 125 #   if __GNUC__ >= 2
 126 #    define BFD_HOST_64_BIT long long
 127 #    define BFD_HOST_U_64_BIT unsigned long long
 128 #   endif /* __GNUC__ >= 2 */
 129 #  endif /* ! defined (__GNUC__) */
 130 # endif /* ! BFD_HOST_64BIT_LONG */
 131 #endif /* ! defined (BFD_HOST_64_BIT) */
 132
 133 #ifdef BFD64
 134
 135 #ifndef BFD_HOST_64_BIT
 136  #error No 64 bit integer type available
 137 #endif /* ! defined (BFD_HOST_64_BIT) */
 138
 139 typedef BFD_HOST_U_64_BIT bfd_vma;
 140 typedef BFD_HOST_64_BIT bfd_signed_vma;
 141 typedef BFD_HOST_U_64_BIT bfd_size_type;
 142 typedef BFD_HOST_U_64_BIT symvalue;
 143
 144 #ifndef fprintf_vma
 145 #if BFD_HOST_64BIT_LONG
 146 #define sprintf_vma(s,x) sprintf (s, "%016lx", x)
 147 #define fprintf_vma(f,x) fprintf (f, "%016lx", x)
 148 #else
 149 #define _bfd_int64_low(x) ((unsigned long) (((x) & 0xffffffff)))
 150 #define _bfd_int64_high(x) ((unsigned long) (((x) >> 32) & 0xffffffff))
 151 #define fprintf_vma(s,x) \
 152   fprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x))
 153 #define sprintf_vma(s,x) \
 154   sprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x))
 155 #endif
 156 #endif
 157
 158 #else /* not BFD64  */
 159
 160 /* Represent a target address.  Also used as a generic unsigned type
 161    which is guaranteed to be big enough to hold any arithmetic types
 162    we need to deal with.  */
 163 typedef unsigned long bfd_vma;
 164
 165 /* A generic signed type which is guaranteed to be big enough to hold any
 166    arithmetic types we need to deal with.  Can be assumed to be compatible
 167    with bfd_vma in the same way that signed and unsigned ints are compatible
 168    (as parameters, in assignment, etc).  */
 169 typedef long bfd_signed_vma;
 170
 171 typedef unsigned long symvalue;
 172 typedef unsigned long bfd_size_type;
 173
 174 /* Print a bfd_vma x on stream s.  */
 175 #define fprintf_vma(s,x) fprintf (s, "%08lx", x)
 176 #define sprintf_vma(s,x) sprintf (s, "%08lx", x)
 177
 178 #endif /* not BFD64  */
 179
 180 /* A pointer to a position in a file.  */
 181 /* FIXME:  This should be using off_t from <sys/types.h>.
 182    For now, try to avoid breaking stuff by not including <sys/types.h> here.
 183    This will break on systems with 64-bit file offsets (e.g. 4.4BSD).
 184    Probably the best long-term answer is to avoid using file_ptr AND off_t
 185    in this header file, and to handle this in the BFD implementation
 186    rather than in its interface.  */
 187 /* typedef off_t        file_ptr; */
 188 typedef bfd_signed_vma file_ptr;
 189 typedef bfd_vma ufile_ptr;
 190
 191 extern void bfd_sprintf_vma PARAMS ((bfd *, char *, bfd_vma));
 192 extern void bfd_fprintf_vma PARAMS ((bfd *, PTR, bfd_vma));
 193
 194 #define printf_vma(x) fprintf_vma(stdout,x)
 195 #define bfd_printf_vma(abfd,x) bfd_fprintf_vma (abfd,stdout,x)
 196
 197 typedef unsigned int flagword;  /* 32 bits of flags */
 198 typedef unsigned char bfd_byte;
 199 \f
 200 /** File formats */
 201
 202 typedef enum bfd_format {
 203               bfd_unknown = 0,  /* file format is unknown */
 204               bfd_object,       /* linker/assember/compiler output */
 205               bfd_archive,      /* object archive file */
 206               bfd_core,         /* core dump */
 207               bfd_type_end}     /* marks the end; don't use it! */
 208          bfd_format;
 209
 210 /* Values that may appear in the flags field of a BFD.  These also
 211    appear in the object_flags field of the bfd_target structure, where
 212    they indicate the set of flags used by that backend (not all flags
 213    are meaningful for all object file formats) (FIXME: at the moment,
 214    the object_flags values have mostly just been copied from backend
 215    to another, and are not necessarily correct).  */
 216
 217 /* No flags.  */
 218 #define BFD_NO_FLAGS    0x00
 219
 220 /* BFD contains relocation entries.  */
 221 #define HAS_RELOC       0x01
 222
 223 /* BFD is directly executable.  */
 224 #define EXEC_P          0x02
 225
 226 /* BFD has line number information (basically used for F_LNNO in a
 227    COFF header).  */
 228 #define HAS_LINENO      0x04
 229
 230 /* BFD has debugging information.  */
 231 #define HAS_DEBUG       0x08
 232
 233 /* BFD has symbols.  */
 234 #define HAS_SYMS        0x10
 235
 236 /* BFD has local symbols (basically used for F_LSYMS in a COFF
 237    header).  */
 238 #define HAS_LOCALS      0x20
 239
 240 /* BFD is a dynamic object.  */
 241 #define DYNAMIC         0x40
 242
 243 /* Text section is write protected (if D_PAGED is not set, this is
 244    like an a.out NMAGIC file) (the linker sets this by default, but
 245    clears it for -r or -N).  */
 246 #define WP_TEXT         0x80
 247
 248 /* BFD is dynamically paged (this is like an a.out ZMAGIC file) (the
 249    linker sets this by default, but clears it for -r or -n or -N).  */
 250 #define D_PAGED         0x100
 251
 252 /* BFD is relaxable (this means that bfd_relax_section may be able to
 253    do something) (sometimes bfd_relax_section can do something even if
 254    this is not set).  */
 255 #define BFD_IS_RELAXABLE 0x200
 256
 257 /* This may be set before writing out a BFD to request using a
 258    traditional format.  For example, this is used to request that when
 259    writing out an a.out object the symbols not be hashed to eliminate
 260    duplicates.  */
 261 #define BFD_TRADITIONAL_FORMAT 0x400
 262
 263 /* This flag indicates that the BFD contents are actually cached in
 264    memory.  If this is set, iostream points to a bfd_in_memory struct.  */
 265 #define BFD_IN_MEMORY 0x800
 266 \f
 267 /* symbols and relocation */
 268
 269 /* A count of carsyms (canonical archive symbols).  */
 270 typedef unsigned long symindex;
 271
 272 /* How to perform a relocation.  */
 273 typedef const struct reloc_howto_struct reloc_howto_type;
 274
 275 #define BFD_NO_MORE_SYMBOLS ((symindex) ~0)
 276
 277 /* General purpose part of a symbol X;
 278    target specific parts are in libcoff.h, libaout.h, etc.  */
 279
 280 #define bfd_get_section(x) ((x)->section)
 281 #define bfd_get_output_section(x) ((x)->section->output_section)
 282 #define bfd_set_section(x,y) ((x)->section) = (y)
 283 #define bfd_asymbol_base(x) ((x)->section->vma)
 284 #define bfd_asymbol_value(x) (bfd_asymbol_base(x) + (x)->value)
 285 #define bfd_asymbol_name(x) ((x)->name)
 286 /*Perhaps future: #define bfd_asymbol_bfd(x) ((x)->section->owner)*/
 287 #define bfd_asymbol_bfd(x) ((x)->the_bfd)
 288 #define bfd_asymbol_flavour(x) (bfd_asymbol_bfd(x)->xvec->flavour)
 289
 290 /* A canonical archive symbol.  */
 291 /* This is a type pun with struct ranlib on purpose! */
 292 typedef struct carsym {
 293   char *name;
 294   file_ptr file_offset;         /* look here to find the file */
 295 } carsym;                       /* to make these you call a carsymogen */
 296
 297 /* Used in generating armaps (archive tables of contents).
 298    Perhaps just a forward definition would do? */
 299 struct orl {                    /* output ranlib */
 300   char **name;                  /* symbol name */
 301   union {
 302     file_ptr pos;
 303     bfd *abfd;
 304   } u;                          /* bfd* or file position */
 305   int namidx;                   /* index into string table */
 306 };
 307 \f
 308 /* Linenumber stuff */
 309 typedef struct lineno_cache_entry {
 310   unsigned int line_number;     /* Linenumber from start of function*/
 311   union {
 312     struct symbol_cache_entry *sym; /* Function name */
 313     bfd_vma offset;         /* Offset into section */
 314   } u;
 315 } alent;
 316 \f
 317 /* object and core file sections */
 318
 319 #define align_power(addr, align)        \
 320         ( ((addr) + ((1<<(align))-1)) & (-1 << (align)))
 321
 322 typedef struct sec *sec_ptr;
 323
 324 #define bfd_get_section_name(bfd, ptr) ((ptr)->name + 0)
 325 #define bfd_get_section_vma(bfd, ptr) ((ptr)->vma + 0)
 326 #define bfd_get_section_alignment(bfd, ptr) ((ptr)->alignment_power + 0)
 327 #define bfd_section_name(bfd, ptr) ((ptr)->name)
 328 #define bfd_section_size(bfd, ptr) (bfd_get_section_size_before_reloc(ptr))
 329 #define bfd_section_vma(bfd, ptr) ((ptr)->vma)
 330 #define bfd_section_lma(bfd, ptr) ((ptr)->lma)
 331 #define bfd_section_alignment(bfd, ptr) ((ptr)->alignment_power)
 332 #define bfd_get_section_flags(bfd, ptr) ((ptr)->flags + 0)
 333 #define bfd_get_section_userdata(bfd, ptr) ((ptr)->userdata)
 334
 335 #define bfd_is_com_section(ptr) (((ptr)->flags & SEC_IS_COMMON) != 0)
 336
 337 #define bfd_set_section_vma(bfd, ptr, val) (((ptr)->vma = (ptr)->lma= (val)), ((ptr)->user_set_vma = (boolean)true), true)
 338 #define bfd_set_section_alignment(bfd, ptr, val) (((ptr)->alignment_power = (val)),true)
 339 #define bfd_set_section_userdata(bfd, ptr, val) (((ptr)->userdata = (val)),true)
 340
 341 typedef struct stat stat_type;
 342 \f
 343 typedef enum bfd_print_symbol
 344 {
 345   bfd_print_symbol_name,
 346   bfd_print_symbol_more,
 347   bfd_print_symbol_all
 348 } bfd_print_symbol_type;
 349
 350 /* Information about a symbol that nm needs.  */
 351
 352 typedef struct _symbol_info
 353 {
 354   symvalue value;
 355   char type;
 356   const char *name;            /* Symbol name.  */
 357   unsigned char stab_type;     /* Stab type.  */
 358   char stab_other;             /* Stab other.  */
 359   short stab_desc;             /* Stab desc.  */
 360   const char *stab_name;       /* String for stab type.  */
 361 } symbol_info;
 362
 363 /* Get the name of a stabs type code.  */
 364
 365 extern const char *bfd_get_stab_name PARAMS ((int));
 366 \f
 367 /* Hash table routines.  There is no way to free up a hash table.  */
 368
 369 /* An element in the hash table.  Most uses will actually use a larger
 370    structure, and an instance of this will be the first field.  */
 371
 372 struct bfd_hash_entry
 373 {
 374   /* Next entry for this hash code.  */
 375   struct bfd_hash_entry *next;
 376   /* String being hashed.  */
 377   const char *string;
 378   /* Hash code.  This is the full hash code, not the index into the
 379      table.  */
 380   unsigned long hash;
 381 };
 382
 383 /* A hash table.  */
 384
 385 struct bfd_hash_table
 386 {
 387   /* The hash array.  */
 388   struct bfd_hash_entry **table;
 389   /* The number of slots in the hash table.  */
 390   unsigned int size;
 391   /* A function used to create new elements in the hash table.  The
 392      first entry is itself a pointer to an element.  When this
 393      function is first invoked, this pointer will be NULL.  However,
 394      having the pointer permits a hierarchy of method functions to be
 395      built each of which calls the function in the superclass.  Thus
 396      each function should be written to allocate a new block of memory
 397      only if the argument is NULL.  */
 398   struct bfd_hash_entry *(*newfunc) PARAMS ((struct bfd_hash_entry *,
 399                                              struct bfd_hash_table *,
 400                                              const char *));
 401    /* An objalloc for this hash table.  This is a struct objalloc *,
 402      but we use PTR to avoid requiring the inclusion of objalloc.h.  */
 403   PTR memory;
 404 };
 405
 406 /* Initialize a hash table.  */
 407 extern boolean bfd_hash_table_init
 408   PARAMS ((struct bfd_hash_table *,
 409            struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 410                                        struct bfd_hash_table *,
 411                                        const char *)));
 412
 413 /* Initialize a hash table specifying a size.  */
 414 extern boolean bfd_hash_table_init_n
 415   PARAMS ((struct bfd_hash_table *,
 416            struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 417                                        struct bfd_hash_table *,
 418                                        const char *),
 419            unsigned int size));
 420
 421 /* Free up a hash table.  */
 422 extern void bfd_hash_table_free PARAMS ((struct bfd_hash_table *));
 423
 424 /* Look up a string in a hash table.  If CREATE is true, a new entry
 425    will be created for this string if one does not already exist.  The
 426    COPY argument must be true if this routine should copy the string
 427    into newly allocated memory when adding an entry.  */
 428 extern struct bfd_hash_entry *bfd_hash_lookup
 429   PARAMS ((struct bfd_hash_table *, const char *, boolean create,
 430            boolean copy));
 431
 432 /* Replace an entry in a hash table.  */
 433 extern void bfd_hash_replace
 434   PARAMS ((struct bfd_hash_table *, struct bfd_hash_entry *old,
 435            struct bfd_hash_entry *nw));
 436
 437 /* Base method for creating a hash table entry.  */
 438 extern struct bfd_hash_entry *bfd_hash_newfunc
 439   PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *,
 440            const char *));
 441
 442 /* Grab some space for a hash table entry.  */
 443 extern PTR bfd_hash_allocate PARAMS ((struct bfd_hash_table *,
 444                                       unsigned int));
 445
 446 /* Traverse a hash table in a random order, calling a function on each
 447    element.  If the function returns false, the traversal stops.  The
 448    INFO argument is passed to the function.  */
 449 extern void bfd_hash_traverse PARAMS ((struct bfd_hash_table *,
 450                                        boolean (*) (struct bfd_hash_entry *,
 451                                                     PTR),
 452                                        PTR info));
 453
 454 #define COFF_SWAP_TABLE (PTR) &bfd_coff_std_swap_table
 455
 456 /* User program access to BFD facilities */
 457
 458 /* Direct I/O routines, for programs which know more about the object
 459    file than BFD does.  Use higher level routines if possible.  */
 460
 461 extern bfd_size_type bfd_bread PARAMS ((PTR, bfd_size_type, bfd *));
 462 extern bfd_size_type bfd_bwrite PARAMS ((const PTR, bfd_size_type, bfd *));
 463 extern int bfd_seek PARAMS ((bfd *, file_ptr, int));
 464 extern ufile_ptr bfd_tell PARAMS ((bfd *));
 465 extern int bfd_flush PARAMS ((bfd *));
 466 extern int bfd_stat PARAMS ((bfd *, struct stat *));
 467
 468 /* Deprecated old routines.  */
 469 #if __GNUC__
 470 #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD)                            \
 471   (warn_deprecated ("bfd_read", __FILE__, __LINE__, __FUNCTION__),      \
 472    bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
 473 #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD)                           \
 474   (warn_deprecated ("bfd_write", __FILE__, __LINE__, __FUNCTION__),     \
 475    bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
 476 #else
 477 #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD)                            \
 478   (warn_deprecated ("bfd_read", (const char *) 0, 0, (const char *) 0), \
 479    bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
 480 #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD)                           \
 481   (warn_deprecated ("bfd_write", (const char *) 0, 0, (const char *) 0),\
 482    bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
 483 #endif
 484 extern void warn_deprecated
 485   PARAMS ((const char *, const char *, int, const char *));
 486
 487 /* Cast from const char * to char * so that caller can assign to
 488    a char * without a warning.  */
 489 #define bfd_get_filename(abfd) ((char *) (abfd)->filename)
 490 #define bfd_get_cacheable(abfd) ((abfd)->cacheable)
 491 #define bfd_get_format(abfd) ((abfd)->format)
 492 #define bfd_get_target(abfd) ((abfd)->xvec->name)
 493 #define bfd_get_flavour(abfd) ((abfd)->xvec->flavour)
 494 #define bfd_family_coff(abfd) \
 495   (bfd_get_flavour (abfd) == bfd_target_coff_flavour || \
 496    bfd_get_flavour (abfd) == bfd_target_xcoff_flavour)
 497 #define bfd_big_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_BIG)
 498 #define bfd_little_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_LITTLE)
 499 #define bfd_header_big_endian(abfd) \
 500   ((abfd)->xvec->header_byteorder == BFD_ENDIAN_BIG)
 501 #define bfd_header_little_endian(abfd) \
 502   ((abfd)->xvec->header_byteorder == BFD_ENDIAN_LITTLE)
 503 #define bfd_get_file_flags(abfd) ((abfd)->flags)
 504 #define bfd_applicable_file_flags(abfd) ((abfd)->xvec->object_flags)
 505 #define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags)
 506 #define bfd_my_archive(abfd) ((abfd)->my_archive)
 507 #define bfd_has_map(abfd) ((abfd)->has_armap)
 508
 509 #define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types)
 510 #define bfd_usrdata(abfd) ((abfd)->usrdata)
 511
 512 #define bfd_get_start_address(abfd) ((abfd)->start_address)
 513 #define bfd_get_symcount(abfd) ((abfd)->symcount)
 514 #define bfd_get_outsymbols(abfd) ((abfd)->outsymbols)
 515 #define bfd_count_sections(abfd) ((abfd)->section_count)
 516
 517 #define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char)
 518
 519 #define bfd_set_cacheable(abfd,bool) (((abfd)->cacheable = (boolean) (bool)), true)
 520
 521 extern boolean bfd_cache_close PARAMS ((bfd *abfd));
 522 /* NB: This declaration should match the autogenerated one in libbfd.h.  */
 523
 524 extern boolean bfd_record_phdr
 525   PARAMS ((bfd *, unsigned long, boolean, flagword, boolean, bfd_vma,
 526            boolean, boolean, unsigned int, struct sec **));
 527
 528 /* Byte swapping routines.  */
 529
 530 bfd_vma         bfd_getb64         PARAMS ((const unsigned char *));
 531 bfd_vma         bfd_getl64         PARAMS ((const unsigned char *));
 532 bfd_signed_vma  bfd_getb_signed_64 PARAMS ((const unsigned char *));
 533 bfd_signed_vma  bfd_getl_signed_64 PARAMS ((const unsigned char *));
 534 bfd_vma         bfd_getb32         PARAMS ((const unsigned char *));
 535 bfd_vma         bfd_getl32         PARAMS ((const unsigned char *));
 536 bfd_signed_vma  bfd_getb_signed_32 PARAMS ((const unsigned char *));
 537 bfd_signed_vma  bfd_getl_signed_32 PARAMS ((const unsigned char *));
 538 bfd_vma         bfd_getb16         PARAMS ((const unsigned char *));
 539 bfd_vma         bfd_getl16         PARAMS ((const unsigned char *));
 540 bfd_signed_vma  bfd_getb_signed_16 PARAMS ((const unsigned char *));
 541 bfd_signed_vma  bfd_getl_signed_16 PARAMS ((const unsigned char *));
 542 void            bfd_putb64         PARAMS ((bfd_vma, unsigned char *));
 543 void            bfd_putl64         PARAMS ((bfd_vma, unsigned char *));
 544 void            bfd_putb32         PARAMS ((bfd_vma, unsigned char *));
 545 void            bfd_putl32         PARAMS ((bfd_vma, unsigned char *));
 546 void            bfd_putb16         PARAMS ((bfd_vma, unsigned char *));
 547 void            bfd_putl16         PARAMS ((bfd_vma, unsigned char *));
 548
 549 /* Byte swapping routines which take size and endiannes as arguments.  */
 550
 551 bfd_vma         bfd_get_bits       PARAMS ((bfd_byte *, int, boolean));
 552 void            bfd_put_bits       PARAMS ((bfd_vma, bfd_byte *, int, boolean));
 553 \f
 554 /* Externally visible ECOFF routines.  */
 555
 556 #if defined(__STDC__) || defined(ALMOST_STDC)
 557 struct ecoff_debug_info;
 558 struct ecoff_debug_swap;
 559 struct ecoff_extr;
 560 struct symbol_cache_entry;
 561 struct bfd_link_info;
 562 struct bfd_link_hash_entry;
 563 struct bfd_elf_version_tree;
 564 #endif
 565 extern bfd_vma bfd_ecoff_get_gp_value PARAMS ((bfd * abfd));
 566 extern boolean bfd_ecoff_set_gp_value PARAMS ((bfd *abfd, bfd_vma gp_value));
 567 extern boolean bfd_ecoff_set_regmasks
 568   PARAMS ((bfd *abfd, unsigned long gprmask, unsigned long fprmask,
 569            unsigned long *cprmask));
 570 extern PTR bfd_ecoff_debug_init
 571   PARAMS ((bfd *output_bfd, struct ecoff_debug_info *output_debug,
 572            const struct ecoff_debug_swap *output_swap,
 573            struct bfd_link_info *));
 574 extern void bfd_ecoff_debug_free
 575   PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
 576            const struct ecoff_debug_swap *output_swap,
 577            struct bfd_link_info *));
 578 extern boolean bfd_ecoff_debug_accumulate
 579   PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
 580            const struct ecoff_debug_swap *output_swap,
 581            bfd *input_bfd, struct ecoff_debug_info *input_debug,
 582            const struct ecoff_debug_swap *input_swap,
 583            struct bfd_link_info *));
 584 extern boolean bfd_ecoff_debug_accumulate_other
 585   PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
 586            const struct ecoff_debug_swap *output_swap, bfd *input_bfd,
 587            struct bfd_link_info *));
 588 extern boolean bfd_ecoff_debug_externals
 589   PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
 590            const struct ecoff_debug_swap *swap,
 591            boolean relocateable,
 592            boolean (*get_extr) (struct symbol_cache_entry *,
 593                                 struct ecoff_extr *),
 594            void (*set_index) (struct symbol_cache_entry *,
 595                               bfd_size_type)));
 596 extern boolean bfd_ecoff_debug_one_external
 597   PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
 598            const struct ecoff_debug_swap *swap,
 599            const char *name, struct ecoff_extr *esym));
 600 extern bfd_size_type bfd_ecoff_debug_size
 601   PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
 602            const struct ecoff_debug_swap *swap));
 603 extern boolean bfd_ecoff_write_debug
 604   PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
 605            const struct ecoff_debug_swap *swap, file_ptr where));
 606 extern boolean bfd_ecoff_write_accumulated_debug
 607   PARAMS ((PTR handle, bfd *abfd, struct ecoff_debug_info *debug,
 608            const struct ecoff_debug_swap *swap,
 609            struct bfd_link_info *info, file_ptr where));
 610 extern boolean bfd_mips_ecoff_create_embedded_relocs
 611   PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
 612            char **));
 613
 614 /* Externally visible ELF routines.  */
 615
 616 struct bfd_link_needed_list
 617 {
 618   struct bfd_link_needed_list *next;
 619   bfd *by;
 620   const char *name;
 621 };
 622
 623 extern boolean bfd_elf32_record_link_assignment
 624   PARAMS ((bfd *, struct bfd_link_info *, const char *, boolean));
 625 extern boolean bfd_elf64_record_link_assignment
 626   PARAMS ((bfd *, struct bfd_link_info *, const char *, boolean));
 627 extern struct bfd_link_needed_list *bfd_elf_get_needed_list
 628   PARAMS ((bfd *, struct bfd_link_info *));
 629 extern boolean bfd_elf_get_bfd_needed_list
 630   PARAMS ((bfd *, struct bfd_link_needed_list **));
 631 extern boolean bfd_elf32_size_dynamic_sections
 632   PARAMS ((bfd *, const char *, const char *, const char *,
 633            const char * const *, struct bfd_link_info *, struct sec **,
 634            struct bfd_elf_version_tree *));
 635 extern boolean bfd_elf64_size_dynamic_sections
 636   PARAMS ((bfd *, const char *, const char *, const char *,
 637            const char * const *, struct bfd_link_info *, struct sec **,
 638            struct bfd_elf_version_tree *));
 639 extern void bfd_elf_set_dt_needed_name PARAMS ((bfd *, const char *));
 640 extern void bfd_elf_set_dt_needed_soname PARAMS ((bfd *, const char *));
 641 extern const char *bfd_elf_get_dt_soname PARAMS ((bfd *));
 642 extern struct bfd_link_needed_list *bfd_elf_get_runpath_list
 643   PARAMS ((bfd *, struct bfd_link_info *));
 644 extern boolean bfd_elf32_discard_info
 645   PARAMS ((bfd *, struct bfd_link_info *));
 646 extern boolean bfd_elf64_discard_info
 647   PARAMS ((bfd *, struct bfd_link_info *));
 648
 649 /* Return an upper bound on the number of bytes required to store a
 650    copy of ABFD's program header table entries.  Return -1 if an error
 651    occurs; bfd_get_error will return an appropriate code.  */
 652 extern long bfd_get_elf_phdr_upper_bound PARAMS ((bfd *abfd));
 653
 654 /* Copy ABFD's program header table entries to *PHDRS.  The entries
 655    will be stored as an array of Elf_Internal_Phdr structures, as
 656    defined in include/elf/internal.h.  To find out how large the
 657    buffer needs to be, call bfd_get_elf_phdr_upper_bound.
 658
 659    Return the number of program header table entries read, or -1 if an
 660    error occurs; bfd_get_error will return an appropriate code.  */
 661 extern int bfd_get_elf_phdrs PARAMS ((bfd *abfd, void *phdrs));
 662
 663 /* Return the arch_size field of an elf bfd, or -1 if not elf.  */
 664 extern int bfd_get_arch_size PARAMS ((bfd *));
 665
 666 /* Return true if address "naturally" sign extends, or -1 if not elf.  */
 667 extern int bfd_get_sign_extend_vma PARAMS ((bfd *));
 668
 669 extern boolean bfd_m68k_elf32_create_embedded_relocs
 670   PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
 671            char **));
 672
 673 /* SunOS shared library support routines for the linker.  */
 674
 675 extern struct bfd_link_needed_list *bfd_sunos_get_needed_list
 676   PARAMS ((bfd *, struct bfd_link_info *));
 677 extern boolean bfd_sunos_record_link_assignment
 678   PARAMS ((bfd *, struct bfd_link_info *, const char *));
 679 extern boolean bfd_sunos_size_dynamic_sections
 680   PARAMS ((bfd *, struct bfd_link_info *, struct sec **, struct sec **,
 681            struct sec **));
 682
 683 /* Linux shared library support routines for the linker.  */
 684
 685 extern boolean bfd_i386linux_size_dynamic_sections
 686   PARAMS ((bfd *, struct bfd_link_info *));
 687 extern boolean bfd_m68klinux_size_dynamic_sections
 688   PARAMS ((bfd *, struct bfd_link_info *));
 689 extern boolean bfd_sparclinux_size_dynamic_sections
 690   PARAMS ((bfd *, struct bfd_link_info *));
 691
 692 /* mmap hacks */
 693
 694 struct _bfd_window_internal;
 695 typedef struct _bfd_window_internal bfd_window_internal;
 696
 697 typedef struct _bfd_window {
 698   /* What the user asked for.  */
 699   PTR data;
 700   bfd_size_type size;
 701   /* The actual window used by BFD.  Small user-requested read-only
 702      regions sharing a page may share a single window into the object
 703      file.  Read-write versions shouldn't until I've fixed things to
 704      keep track of which portions have been claimed by the
 705      application; don't want to give the same region back when the
 706      application wants two writable copies!  */
 707   struct _bfd_window_internal *i;
 708 } bfd_window;
 709
 710 extern void bfd_init_window PARAMS ((bfd_window *));
 711 extern void bfd_free_window PARAMS ((bfd_window *));
 712 extern boolean bfd_get_file_window
 713   PARAMS ((bfd *, file_ptr, bfd_size_type, bfd_window *, boolean));
 714
 715 /* XCOFF support routines for the linker.  */
 716
 717 extern boolean bfd_xcoff_link_record_set
 718   PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *,
 719            bfd_size_type));
 720 extern boolean bfd_xcoff_import_symbol
 721   PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *,
 722            bfd_vma, const char *, const char *, const char *, unsigned int));
 723 extern boolean bfd_xcoff_export_symbol
 724   PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *));
 725 extern boolean bfd_xcoff_link_count_reloc
 726   PARAMS ((bfd *, struct bfd_link_info *, const char *));
 727 extern boolean bfd_xcoff_record_link_assignment
 728   PARAMS ((bfd *, struct bfd_link_info *, const char *));
 729 extern boolean bfd_xcoff_size_dynamic_sections
 730   PARAMS ((bfd *, struct bfd_link_info *, const char *, const char *,
 731            unsigned long, unsigned long, unsigned long, boolean,
 732            int, boolean, boolean, struct sec **));
 733 extern boolean bfd_xcoff_link_generate_rtinit
 734   PARAMS ((bfd *, const char *, const char *));
 735
 736 /* Externally visible COFF routines.  */
 737
 738 #if defined(__STDC__) || defined(ALMOST_STDC)
 739 struct internal_syment;
 740 union internal_auxent;
 741 #endif
 742
 743 extern boolean bfd_coff_get_syment
 744   PARAMS ((bfd *, struct symbol_cache_entry *, struct internal_syment *));
 745
 746 extern boolean bfd_coff_get_auxent
 747   PARAMS ((bfd *, struct symbol_cache_entry *, int, union internal_auxent *));
 748
 749 extern boolean bfd_coff_set_symbol_class
 750   PARAMS ((bfd *, struct symbol_cache_entry *, unsigned int));
 751
 752 extern boolean bfd_m68k_coff_create_embedded_relocs
 753   PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
 754            char **));
 755
 756 /* ARM Interworking support.  Called from linker.  */
 757 extern boolean bfd_arm_allocate_interworking_sections
 758   PARAMS ((struct bfd_link_info *));
 759
 760 extern boolean bfd_arm_process_before_allocation
 761   PARAMS ((bfd *, struct bfd_link_info *, int));
 762
 763 extern boolean bfd_arm_get_bfd_for_interworking
 764   PARAMS ((bfd *, struct bfd_link_info *));
 765
 766 /* PE ARM Interworking support.  Called from linker.  */
 767 extern boolean bfd_arm_pe_allocate_interworking_sections
 768   PARAMS ((struct bfd_link_info *));
 769
 770 extern boolean bfd_arm_pe_process_before_allocation
 771   PARAMS ((bfd *, struct bfd_link_info *, int));
 772
 773 extern boolean bfd_arm_pe_get_bfd_for_interworking
 774   PARAMS ((bfd *, struct bfd_link_info *));
 775
 776 /* ELF ARM Interworking support.  Called from linker.  */
 777 extern boolean bfd_elf32_arm_allocate_interworking_sections
 778   PARAMS ((struct bfd_link_info *));
 779
 780 extern boolean bfd_elf32_arm_process_before_allocation
 781   PARAMS ((bfd *, struct bfd_link_info *, int));
 782
 783 extern boolean bfd_elf32_arm_get_bfd_for_interworking
 784   PARAMS ((bfd *, struct bfd_link_info *));
 785
 786 /* TI COFF load page support.  */
 787 extern void bfd_ticoff_set_section_load_page
 788   PARAMS ((struct sec *, int));
 789
 790 extern int bfd_ticoff_get_section_load_page
 791   PARAMS ((struct sec *));
 792
 793 /* And more from the source.  */
 794 void
 795 bfd_init PARAMS ((void));
 796
 797 bfd *
 798 bfd_openr PARAMS ((const char *filename, const char *target));
 799
 800 bfd *
 801 bfd_fdopenr PARAMS ((const char *filename, const char *target, int fd));
 802
 803 bfd *
 804 bfd_openstreamr PARAMS ((const char *, const char *, PTR));
 805
 806 bfd *
 807 bfd_openw PARAMS ((const char *filename, const char *target));
 808
 809 boolean
 810 bfd_close PARAMS ((bfd *abfd));
 811
 812 boolean
 813 bfd_close_all_done PARAMS ((bfd *));
 814
 815 bfd *
 816 bfd_create PARAMS ((const char *filename, bfd *templ));
 817
 818 boolean
 819 bfd_make_writable PARAMS ((bfd *abfd));
 820
 821 boolean
 822 bfd_make_readable PARAMS ((bfd *abfd));
 823
 824
 825 /* Byte swapping macros for user section data.  */
 826
 827 #define bfd_put_8(abfd, val, ptr) \
 828                 ((void) (*((unsigned char *) (ptr)) = (unsigned char) (val)))
 829 #define bfd_put_signed_8 \
 830                bfd_put_8
 831 #define bfd_get_8(abfd, ptr) \
 832                 (*(unsigned char *) (ptr) & 0xff)
 833 #define bfd_get_signed_8(abfd, ptr) \
 834                (((*(unsigned char *) (ptr) & 0xff) ^ 0x80) - 0x80)
 835
 836 #define bfd_put_16(abfd, val, ptr) \
 837                 BFD_SEND(abfd, bfd_putx16, ((val),(ptr)))
 838 #define bfd_put_signed_16 \
 839                 bfd_put_16
 840 #define bfd_get_16(abfd, ptr) \
 841                 BFD_SEND(abfd, bfd_getx16, (ptr))
 842 #define bfd_get_signed_16(abfd, ptr) \
 843                 BFD_SEND (abfd, bfd_getx_signed_16, (ptr))
 844
 845 #define bfd_put_32(abfd, val, ptr) \
 846                 BFD_SEND(abfd, bfd_putx32, ((val),(ptr)))
 847 #define bfd_put_signed_32 \
 848                 bfd_put_32
 849 #define bfd_get_32(abfd, ptr) \
 850                 BFD_SEND(abfd, bfd_getx32, (ptr))
 851 #define bfd_get_signed_32(abfd, ptr) \
 852                 BFD_SEND(abfd, bfd_getx_signed_32, (ptr))
 853
 854 #define bfd_put_64(abfd, val, ptr) \
 855                 BFD_SEND(abfd, bfd_putx64, ((val), (ptr)))
 856 #define bfd_put_signed_64 \
 857                 bfd_put_64
 858 #define bfd_get_64(abfd, ptr) \
 859                 BFD_SEND(abfd, bfd_getx64, (ptr))
 860 #define bfd_get_signed_64(abfd, ptr) \
 861                 BFD_SEND(abfd, bfd_getx_signed_64, (ptr))
 862
 863 #define bfd_get(bits, abfd, ptr)                               \
 864                 ( (bits) ==  8 ? (bfd_vma) bfd_get_8 (abfd, ptr)       \
 865                 : (bits) == 16 ? bfd_get_16 (abfd, ptr)        \
 866                 : (bits) == 32 ? bfd_get_32 (abfd, ptr)        \
 867                 : (bits) == 64 ? bfd_get_64 (abfd, ptr)        \
 868                 : (abort (), (bfd_vma) - 1))
 869
 870 #define bfd_put(bits, abfd, val, ptr)                          \
 871                 ( (bits) ==  8 ? bfd_put_8  (abfd, val, ptr)   \
 872                 : (bits) == 16 ? bfd_put_16 (abfd, val, ptr)   \
 873                 : (bits) == 32 ? bfd_put_32 (abfd, val, ptr)   \
 874                 : (bits) == 64 ? bfd_put_64 (abfd, val, ptr)   \
 875                 : (abort (), (void) 0))
 876
 877
 878 /* Byte swapping macros for file header data.  */
 879
 880 #define bfd_h_put_8(abfd, val, ptr) \
 881   bfd_put_8 (abfd, val, ptr)
 882 #define bfd_h_put_signed_8(abfd, val, ptr) \
 883   bfd_put_8 (abfd, val, ptr)
 884 #define bfd_h_get_8(abfd, ptr) \
 885   bfd_get_8 (abfd, ptr)
 886 #define bfd_h_get_signed_8(abfd, ptr) \
 887   bfd_get_signed_8 (abfd, ptr)
 888
 889 #define bfd_h_put_16(abfd, val, ptr) \
 890   BFD_SEND (abfd, bfd_h_putx16, (val, ptr))
 891 #define bfd_h_put_signed_16 \
 892   bfd_h_put_16
 893 #define bfd_h_get_16(abfd, ptr) \
 894   BFD_SEND (abfd, bfd_h_getx16, (ptr))
 895 #define bfd_h_get_signed_16(abfd, ptr) \
 896   BFD_SEND (abfd, bfd_h_getx_signed_16, (ptr))
 897
 898 #define bfd_h_put_32(abfd, val, ptr) \
 899   BFD_SEND (abfd, bfd_h_putx32, (val, ptr))
 900 #define bfd_h_put_signed_32 \
 901   bfd_h_put_32
 902 #define bfd_h_get_32(abfd, ptr) \
 903   BFD_SEND (abfd, bfd_h_getx32, (ptr))
 904 #define bfd_h_get_signed_32(abfd, ptr) \
 905   BFD_SEND (abfd, bfd_h_getx_signed_32, (ptr))
 906
 907 #define bfd_h_put_64(abfd, val, ptr) \
 908   BFD_SEND (abfd, bfd_h_putx64, (val, ptr))
 909 #define bfd_h_put_signed_64 \
 910   bfd_h_put_64
 911 #define bfd_h_get_64(abfd, ptr) \
 912   BFD_SEND (abfd, bfd_h_getx64, (ptr))
 913 #define bfd_h_get_signed_64(abfd, ptr) \
 914   BFD_SEND (abfd, bfd_h_getx_signed_64, (ptr))
 915
 916 /* Refinements on the above, which should eventually go away.  Save
 917    cluttering the source with (bfd_vma) and (bfd_byte *) casts.  */
 918
 919 #define H_PUT_64(abfd, val, where) \
 920   bfd_h_put_64 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
 921
 922 #define H_PUT_32(abfd, val, where) \
 923   bfd_h_put_32 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
 924
 925 #define H_PUT_16(abfd, val, where) \
 926   bfd_h_put_16 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
 927
 928 #define H_PUT_8 bfd_h_put_8
 929
 930 #define H_PUT_S64(abfd, val, where) \
 931   bfd_h_put_signed_64 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
 932
 933 #define H_PUT_S32(abfd, val, where) \
 934   bfd_h_put_signed_32 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
 935
 936 #define H_PUT_S16(abfd, val, where) \
 937   bfd_h_put_signed_16 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
 938
 939 #define H_PUT_S8 bfd_h_put_signed_8
 940
 941 #define H_GET_64(abfd, where) \
 942   bfd_h_get_64 ((abfd), (bfd_byte *) (where))
 943
 944 #define H_GET_32(abfd, where) \
 945   bfd_h_get_32 ((abfd), (bfd_byte *) (where))
 946
 947 #define H_GET_16(abfd, where) \
 948   bfd_h_get_16 ((abfd), (bfd_byte *) (where))
 949
 950 #define H_GET_8 bfd_h_get_8
 951
 952 #define H_GET_S64(abfd, where) \
 953   bfd_h_get_signed_64 ((abfd), (bfd_byte *) (where))
 954
 955 #define H_GET_S32(abfd, where) \
 956   bfd_h_get_signed_32 ((abfd), (bfd_byte *) (where))
 957
 958 #define H_GET_S16(abfd, where) \
 959   bfd_h_get_signed_16 ((abfd), (bfd_byte *) (where))
 960
 961 #define H_GET_S8 bfd_h_get_signed_8
 962
 963
 964 /* This structure is used for a comdat section, as in PE.  A comdat
 965    section is associated with a particular symbol.  When the linker
 966    sees a comdat section, it keeps only one of the sections with a
 967    given name and associated with a given symbol.  */
 968
 969 struct bfd_comdat_info
 970 {
 971   /* The name of the symbol associated with a comdat section.  */
 972   const char *name;
 973
 974   /* The local symbol table index of the symbol associated with a
 975      comdat section.  This is only meaningful to the object file format
 976      specific code; it is not an index into the list returned by
 977      bfd_canonicalize_symtab.  */
 978   long symbol;
 979 };
 980
 981 typedef struct sec
 982 {
 983   /* The name of the section; the name isn't a copy, the pointer is
 984      the same as that passed to bfd_make_section.  */
 985
 986   const char *name;
 987
 988   /* A unique sequence number.  */
 989
 990   int id;
 991
 992   /* Which section in the bfd; 0..n-1 as sections are created in a bfd.  */
 993
 994   int index;
 995
 996   /* The next section in the list belonging to the BFD, or NULL.  */
 997
 998   struct sec *next;
 999
1000   /* The field flags contains attributes of the section. Some
1001      flags are read in from the object file, and some are
1002      synthesized from other information.  */
1003
1004   flagword flags;
1005
1006 #define SEC_NO_FLAGS   0x000
1007
1008   /* Tells the OS to allocate space for this section when loading.
1009      This is clear for a section containing debug information only.  */
1010 #define SEC_ALLOC      0x001
1011
1012   /* Tells the OS to load the section from the file when loading.
1013      This is clear for a .bss section.  */
1014 #define SEC_LOAD       0x002
1015
1016   /* The section contains data still to be relocated, so there is
1017      some relocation information too.  */
1018 #define SEC_RELOC      0x004
1019
1020   /* ELF reserves 4 processor specific bits and 8 operating system
1021      specific bits in sh_flags; at present we can get away with just
1022      one in communicating between the assembler and BFD, but this
1023      isn't a good long-term solution.  */
1024 #define SEC_ARCH_BIT_0 0x008
1025
1026   /* A signal to the OS that the section contains read only data.  */
1027 #define SEC_READONLY   0x010
1028
1029   /* The section contains code only.  */
1030 #define SEC_CODE       0x020
1031
1032   /* The section contains data only.  */
1033 #define SEC_DATA       0x040
1034
1035   /* The section will reside in ROM.  */
1036 #define SEC_ROM        0x080
1037
1038   /* The section contains constructor information. This section
1039      type is used by the linker to create lists of constructors and
1040      destructors used by <<g++>>. When a back end sees a symbol
1041      which should be used in a constructor list, it creates a new
1042      section for the type of name (e.g., <<__CTOR_LIST__>>), attaches
1043      the symbol to it, and builds a relocation. To build the lists
1044      of constructors, all the linker has to do is catenate all the
1045      sections called <<__CTOR_LIST__>> and relocate the data
1046      contained within - exactly the operations it would peform on
1047      standard data.  */
1048 #define SEC_CONSTRUCTOR 0x100
1049
1050   /* The section is a constructor, and should be placed at the
1051      end of the text, data, or bss section(?).  */
1052 #define SEC_CONSTRUCTOR_TEXT 0x1100
1053 #define SEC_CONSTRUCTOR_DATA 0x2100
1054 #define SEC_CONSTRUCTOR_BSS  0x3100
1055
1056   /* The section has contents - a data section could be
1057      <<SEC_ALLOC>> | <<SEC_HAS_CONTENTS>>; a debug section could be
1058      <<SEC_HAS_CONTENTS>>  */
1059 #define SEC_HAS_CONTENTS 0x200
1060
1061   /* An instruction to the linker to not output the section
1062      even if it has information which would normally be written.  */
1063 #define SEC_NEVER_LOAD 0x400
1064
1065   /* The section is a COFF shared library section.  This flag is
1066      only for the linker.  If this type of section appears in
1067      the input file, the linker must copy it to the output file
1068      without changing the vma or size.  FIXME: Although this
1069      was originally intended to be general, it really is COFF
1070      specific (and the flag was renamed to indicate this).  It
1071      might be cleaner to have some more general mechanism to
1072      allow the back end to control what the linker does with
1073      sections.  */
1074 #define SEC_COFF_SHARED_LIBRARY 0x800
1075
1076   /* The section has GOT references.  This flag is only for the
1077      linker, and is currently only used by the elf32-hppa back end.
1078      It will be set if global offset table references were detected
1079      in this section, which indicate to the linker that the section
1080      contains PIC code, and must be handled specially when doing a
1081      static link.  */
1082 #define SEC_HAS_GOT_REF 0x4000
1083
1084   /* The section contains common symbols (symbols may be defined
1085      multiple times, the value of a symbol is the amount of
1086      space it requires, and the largest symbol value is the one
1087      used).  Most targets have exactly one of these (which we
1088      translate to bfd_com_section_ptr), but ECOFF has two.  */
1089 #define SEC_IS_COMMON 0x8000
1090
1091   /* The section contains only debugging information.  For
1092      example, this is set for ELF .debug and .stab sections.
1093      strip tests this flag to see if a section can be
1094      discarded.  */
1095 #define SEC_DEBUGGING 0x10000
1096
1097   /* The contents of this section are held in memory pointed to
1098      by the contents field.  This is checked by bfd_get_section_contents,
1099      and the data is retrieved from memory if appropriate.  */
1100 #define SEC_IN_MEMORY 0x20000
1101
1102   /* The contents of this section are to be excluded by the
1103      linker for executable and shared objects unless those
1104      objects are to be further relocated.  */
1105 #define SEC_EXCLUDE 0x40000
1106
1107   /* The contents of this section are to be sorted based on the sum of
1108      the symbol and addend values specified by the associated relocation
1109      entries.  Entries without associated relocation entries will be
1110      appended to the end of the section in an unspecified order.  */
1111 #define SEC_SORT_ENTRIES 0x80000
1112
1113   /* When linking, duplicate sections of the same name should be
1114      discarded, rather than being combined into a single section as
1115      is usually done.  This is similar to how common symbols are
1116      handled.  See SEC_LINK_DUPLICATES below.  */
1117 #define SEC_LINK_ONCE 0x100000
1118
1119   /* If SEC_LINK_ONCE is set, this bitfield describes how the linker
1120      should handle duplicate sections.  */
1121 #define SEC_LINK_DUPLICATES 0x600000
1122
1123   /* This value for SEC_LINK_DUPLICATES means that duplicate
1124      sections with the same name should simply be discarded.  */
1125 #define SEC_LINK_DUPLICATES_DISCARD 0x0
1126
1127   /* This value for SEC_LINK_DUPLICATES means that the linker
1128      should warn if there are any duplicate sections, although
1129      it should still only link one copy.  */
1130 #define SEC_LINK_DUPLICATES_ONE_ONLY 0x200000
1131
1132   /* This value for SEC_LINK_DUPLICATES means that the linker
1133      should warn if any duplicate sections are a different size.  */
1134 #define SEC_LINK_DUPLICATES_SAME_SIZE 0x400000
1135
1136   /* This value for SEC_LINK_DUPLICATES means that the linker
1137      should warn if any duplicate sections contain different
1138      contents.  */
1139 #define SEC_LINK_DUPLICATES_SAME_CONTENTS 0x600000
1140
1141   /* This section was created by the linker as part of dynamic
1142      relocation or other arcane processing.  It is skipped when
1143      going through the first-pass output, trusting that someone
1144      else up the line will take care of it later.  */
1145 #define SEC_LINKER_CREATED 0x800000
1146
1147   /* This section should not be subject to garbage collection.  */
1148 #define SEC_KEEP 0x1000000
1149
1150   /* This section contains "short" data, and should be placed
1151      "near" the GP.  */
1152 #define SEC_SMALL_DATA 0x2000000
1153
1154   /* This section contains data which may be shared with other
1155      executables or shared objects.  */
1156 #define SEC_SHARED 0x4000000
1157
1158   /* When a section with this flag is being linked, then if the size of
1159      the input section is less than a page, it should not cross a page
1160      boundary.  If the size of the input section is one page or more, it
1161      should be aligned on a page boundary.  */
1162 #define SEC_BLOCK 0x8000000
1163
1164   /* Conditionally link this section; do not link if there are no
1165      references found to any symbol in the section.  */
1166 #define SEC_CLINK 0x10000000
1167
1168   /* Attempt to merge identical entities in the section.
1169      Entity size is given in the entsize field.  */
1170 #define SEC_MERGE 0x20000000
1171
1172   /* If given with SEC_MERGE, entities to merge are zero terminated
1173      strings where entsize specifies character size instead of fixed
1174      size entries.  */
1175 #define SEC_STRINGS 0x40000000
1176
1177   /* This section contains data about section groups.  */
1178 #define SEC_GROUP 0x80000000
1179
1180   /*  End of section flags.  */
1181
1182   /* Some internal packed boolean fields.  */
1183
1184   /* See the vma field.  */
1185   unsigned int user_set_vma : 1;
1186
1187   /* Whether relocations have been processed.  */
1188   unsigned int reloc_done : 1;
1189
1190   /* A mark flag used by some of the linker backends.  */
1191   unsigned int linker_mark : 1;
1192
1193   /* Another mark flag used by some of the linker backends.  Set for
1194      output sections that have an input section.  */
1195   unsigned int linker_has_input : 1;
1196
1197   /* A mark flag used by some linker backends for garbage collection.  */
1198   unsigned int gc_mark : 1;
1199
1200   /* Used by the ELF code to mark sections which have been allocated
1201      to segments.  */
1202   unsigned int segment_mark : 1;
1203
1204   /* End of internal packed boolean fields.  */
1205
1206   /*  The virtual memory address of the section - where it will be
1207       at run time.  The symbols are relocated against this.  The
1208       user_set_vma flag is maintained by bfd; if it's not set, the
1209       backend can assign addresses (for example, in <<a.out>>, where
1210       the default address for <<.data>> is dependent on the specific
1211       target and various flags).  */
1212
1213   bfd_vma vma;
1214
1215   /*  The load address of the section - where it would be in a
1216       rom image; really only used for writing section header
1217       information. */
1218
1219   bfd_vma lma;
1220
1221   /* The size of the section in octets, as it will be output.
1222      Contains a value even if the section has no contents (e.g., the
1223      size of <<.bss>>).  This will be filled in after relocation.  */
1224
1225   bfd_size_type _cooked_size;
1226
1227   /* The original size on disk of the section, in octets.  Normally this
1228      value is the same as the size, but if some relaxing has
1229      been done, then this value will be bigger.  */
1230
1231   bfd_size_type _raw_size;
1232
1233   /* If this section is going to be output, then this value is the
1234      offset in *bytes* into the output section of the first byte in the
1235      input section (byte ==> smallest addressable unit on the
1236      target).  In most cases, if this was going to start at the
1237      100th octet (8-bit quantity) in the output section, this value
1238      would be 100.  However, if the target byte size is 16 bits
1239      (bfd_octets_per_byte is "2"), this value would be 50.  */
1240
1241   bfd_vma output_offset;
1242
1243   /* The output section through which to map on output.  */
1244
1245   struct sec *output_section;
1246
1247   /* The alignment requirement of the section, as an exponent of 2 -
1248      e.g., 3 aligns to 2^3 (or 8).  */
1249
1250   unsigned int alignment_power;
1251
1252   /* If an input section, a pointer to a vector of relocation
1253      records for the data in this section.  */
1254
1255   struct reloc_cache_entry *relocation;
1256
1257   /* If an output section, a pointer to a vector of pointers to
1258      relocation records for the data in this section.  */
1259
1260   struct reloc_cache_entry **orelocation;
1261
1262   /* The number of relocation records in one of the above  */
1263
1264   unsigned reloc_count;
1265
1266   /* Information below is back end specific - and not always used
1267      or updated.  */
1268
1269   /* File position of section data.  */
1270
1271   file_ptr filepos;
1272
1273   /* File position of relocation info.  */
1274
1275   file_ptr rel_filepos;
1276
1277   /* File position of line data.  */
1278
1279   file_ptr line_filepos;
1280
1281   /* Pointer to data for applications.  */
1282
1283   PTR userdata;
1284
1285   /* If the SEC_IN_MEMORY flag is set, this points to the actual
1286      contents.  */
1287   unsigned char *contents;
1288
1289   /* Attached line number information.  */
1290
1291   alent *lineno;
1292
1293   /* Number of line number records.  */
1294
1295   unsigned int lineno_count;
1296
1297   /* Entity size for merging purposes.  */
1298
1299   unsigned int entsize;
1300
1301   /* Optional information about a COMDAT entry; NULL if not COMDAT.  */
1302
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
1308   file_ptr moving_line_filepos;
1309
1310   /* What the section number is in the target world.  */
1311
1312   int target_index;
1313
1314   PTR used_by_bfd;
1315
1316   /* If this is a constructor section then here is a list of the
1317      relocations created to relocate items within it.  */
1318
1319   struct relent_chain *constructor_chain;
1320
1321   /* The BFD which owns the section.  */
1322
1323   bfd *owner;
1324
1325   /* A symbol which points at this section only */
1326   struct symbol_cache_entry *symbol;
1327   struct symbol_cache_entry **symbol_ptr_ptr;
1328
1329   struct bfd_link_order *link_order_head;
1330   struct bfd_link_order *link_order_tail;
1331 } asection ;
1332
1333 /* These sections are global, and are managed by BFD.  The application
1334    and target back end are not permitted to change the values in
1335    these sections.  New code should use the section_ptr macros rather
1336    than referring directly to the const sections.  The const sections
1337    may eventually vanish.  */
1338 #define BFD_ABS_SECTION_NAME "*ABS*"
1339 #define BFD_UND_SECTION_NAME "*UND*"
1340 #define BFD_COM_SECTION_NAME "*COM*"
1341 #define BFD_IND_SECTION_NAME "*IND*"
1342
1343 /* the absolute section */
1344 extern const asection bfd_abs_section;
1345 #define bfd_abs_section_ptr ((asection *) &bfd_abs_section)
1346 #define bfd_is_abs_section(sec) ((sec) == bfd_abs_section_ptr)
1347 /* Pointer to the undefined section */
1348 extern const asection bfd_und_section;
1349 #define bfd_und_section_ptr ((asection *) &bfd_und_section)
1350 #define bfd_is_und_section(sec) ((sec) == bfd_und_section_ptr)
1351 /* Pointer to the common section */
1352 extern const asection bfd_com_section;
1353 #define bfd_com_section_ptr ((asection *) &bfd_com_section)
1354 /* Pointer to the indirect section */
1355 extern const asection bfd_ind_section;
1356 #define bfd_ind_section_ptr ((asection *) &bfd_ind_section)
1357 #define bfd_is_ind_section(sec) ((sec) == bfd_ind_section_ptr)
1358
1359 #define bfd_is_const_section(SEC)              \
1360  (   ((SEC) == bfd_abs_section_ptr)            \
1361   || ((SEC) == bfd_und_section_ptr)            \
1362   || ((SEC) == bfd_com_section_ptr)            \
1363   || ((SEC) == bfd_ind_section_ptr))
1364
1365 extern const struct symbol_cache_entry * const bfd_abs_symbol;
1366 extern const struct symbol_cache_entry * const bfd_com_symbol;
1367 extern const struct symbol_cache_entry * const bfd_und_symbol;
1368 extern const struct symbol_cache_entry * const bfd_ind_symbol;
1369 #define bfd_get_section_size_before_reloc(section) \
1370      ((section)->reloc_done ? (abort (), (bfd_size_type) 1) \
1371                             : (section)->_raw_size)
1372 #define bfd_get_section_size_after_reloc(section) \
1373      ((section)->reloc_done ? (section)->_cooked_size \
1374                             : (abort (), (bfd_size_type) 1))
1375
1376 /* Macros to handle insertion and deletion of a bfd's sections.  These
1377    only handle the list pointers, ie. do not adjust section_count,
1378    target_index etc.  */
1379 #define bfd_section_list_remove(ABFD, PS) \
1380   do                                                   \
1381     {                                                  \
1382       asection **_ps = PS;                             \
1383       asection *_s = *_ps;                             \
1384       *_ps = _s->next;                                 \
1385       if (_s->next == NULL)                            \
1386         (ABFD)->section_tail = _ps;                    \
1387     }                                                  \
1388   while (0)
1389 #define bfd_section_list_insert(ABFD, PS, S) \
1390   do                                                   \
1391     {                                                  \
1392       asection **_ps = PS;                             \
1393       asection *_s = S;                                \
1394       _s->next = *_ps;                                 \
1395       *_ps = _s;                                       \
1396       if (_s->next == NULL)                            \
1397         (ABFD)->section_tail = &_s->next;              \
1398     }                                                  \
1399   while (0)
1400
1401 void
1402 bfd_section_list_clear PARAMS ((bfd *));
1403
1404 asection *
1405 bfd_get_section_by_name PARAMS ((bfd *abfd, const char *name));
1406
1407 char *
1408 bfd_get_unique_section_name PARAMS ((bfd *abfd,
1409     const char *templat,
1410     int *count));
1411
1412 asection *
1413 bfd_make_section_old_way PARAMS ((bfd *abfd, const char *name));
1414
1415 asection *
1416 bfd_make_section_anyway PARAMS ((bfd *abfd, const char *name));
1417
1418 asection *
1419 bfd_make_section PARAMS ((bfd *, const char *name));
1420
1421 boolean
1422 bfd_set_section_flags PARAMS ((bfd *abfd, asection *sec, flagword flags));
1423
1424 void
1425 bfd_map_over_sections PARAMS ((bfd *abfd,
1426     void (*func) (bfd *abfd,
1427     asection *sect,
1428     PTR obj),
1429     PTR obj));
1430
1431 boolean
1432 bfd_set_section_size PARAMS ((bfd *abfd, asection *sec, bfd_size_type val));
1433
1434 boolean
1435 bfd_set_section_contents PARAMS ((bfd *abfd, asection *section,
1436     PTR data, file_ptr offset,
1437     bfd_size_type count));
1438
1439 boolean
1440 bfd_get_section_contents PARAMS ((bfd *abfd, asection *section,
1441     PTR location, file_ptr offset,
1442     bfd_size_type count));
1443
1444 boolean
1445 bfd_copy_private_section_data PARAMS ((bfd *ibfd, asection *isec,
1446     bfd *obfd, asection *osec));
1447
1448 #define bfd_copy_private_section_data(ibfd, isection, obfd, osection) \
1449      BFD_SEND (obfd, _bfd_copy_private_section_data, \
1450                (ibfd, isection, obfd, osection))
1451 void
1452 _bfd_strip_section_from_output PARAMS ((struct bfd_link_info *info, asection *section));
1453
1454 enum bfd_architecture
1455 {
1456   bfd_arch_unknown,   /* File arch not known */
1457   bfd_arch_obscure,   /* Arch known, not one of these */
1458   bfd_arch_m68k,      /* Motorola 68xxx */
1459 #define bfd_mach_m68000 1
1460 #define bfd_mach_m68008 2
1461 #define bfd_mach_m68010 3
1462 #define bfd_mach_m68020 4
1463 #define bfd_mach_m68030 5
1464 #define bfd_mach_m68040 6
1465 #define bfd_mach_m68060 7
1466 #define bfd_mach_cpu32  8
1467 #define bfd_mach_mcf5200  9
1468 #define bfd_mach_mcf5206e 10
1469 #define bfd_mach_mcf5307  11
1470 #define bfd_mach_mcf5407  12
1471   bfd_arch_vax,       /* DEC Vax */
1472   bfd_arch_i960,      /* Intel 960 */
1473     /* The order of the following is important.
1474        lower number indicates a machine type that
1475        only accepts a subset of the instructions
1476        available to machines with higher numbers.
1477        The exception is the "ca", which is
1478        incompatible with all other machines except
1479        "core". */
1480
1481 #define bfd_mach_i960_core      1
1482 #define bfd_mach_i960_ka_sa     2
1483 #define bfd_mach_i960_kb_sb     3
1484 #define bfd_mach_i960_mc        4
1485 #define bfd_mach_i960_xa        5
1486 #define bfd_mach_i960_ca        6
1487 #define bfd_mach_i960_jx        7
1488 #define bfd_mach_i960_hx        8
1489
1490   bfd_arch_a29k,      /* AMD 29000 */
1491   bfd_arch_sparc,     /* SPARC */
1492 #define bfd_mach_sparc                 1
1493 /* The difference between v8plus and v9 is that v9 is a true 64 bit env.  */
1494 #define bfd_mach_sparc_sparclet        2
1495 #define bfd_mach_sparc_sparclite       3
1496 #define bfd_mach_sparc_v8plus          4
1497 #define bfd_mach_sparc_v8plusa         5 /* with ultrasparc add'ns */
1498 #define bfd_mach_sparc_sparclite_le    6
1499 #define bfd_mach_sparc_v9              7
1500 #define bfd_mach_sparc_v9a             8 /* with ultrasparc add'ns */
1501 #define bfd_mach_sparc_v8plusb         9 /* with cheetah add'ns */
1502 #define bfd_mach_sparc_v9b             10 /* with cheetah add'ns */
1503 /* Nonzero if MACH has the v9 instruction set.  */
1504 #define bfd_mach_sparc_v9_p(mach) \
1505   ((mach) >= bfd_mach_sparc_v8plus && (mach) <= bfd_mach_sparc_v9b \
1506    && (mach) != bfd_mach_sparc_sparclite_le)
1507   bfd_arch_mips,      /* MIPS Rxxxx */
1508 #define bfd_mach_mips3000              3000
1509 #define bfd_mach_mips3900              3900
1510 #define bfd_mach_mips4000              4000
1511 #define bfd_mach_mips4010              4010
1512 #define bfd_mach_mips4100              4100
1513 #define bfd_mach_mips4111              4111
1514 #define bfd_mach_mips4300              4300
1515 #define bfd_mach_mips4400              4400
1516 #define bfd_mach_mips4600              4600
1517 #define bfd_mach_mips4650              4650
1518 #define bfd_mach_mips5000              5000
1519 #define bfd_mach_mips6000              6000
1520 #define bfd_mach_mips8000              8000
1521 #define bfd_mach_mips10000             10000
1522 #define bfd_mach_mips12000             12000
1523 #define bfd_mach_mips16                16
1524 #define bfd_mach_mips5                 5
1525 #define bfd_mach_mips_sb1              12310201 /* octal 'SB', 01 */
1526 #define bfd_mach_mipsisa32             32
1527 #define bfd_mach_mipsisa64             64
1528   bfd_arch_i386,      /* Intel 386 */
1529 #define bfd_mach_i386_i386 0
1530 #define bfd_mach_i386_i8086 1
1531 #define bfd_mach_i386_i386_intel_syntax 2
1532 #define bfd_mach_x86_64 3
1533 #define bfd_mach_x86_64_intel_syntax 4
1534   bfd_arch_we32k,     /* AT&T WE32xxx */
1535   bfd_arch_tahoe,     /* CCI/Harris Tahoe */
1536   bfd_arch_i860,      /* Intel 860 */
1537   bfd_arch_i370,      /* IBM 360/370 Mainframes */
1538   bfd_arch_romp,      /* IBM ROMP PC/RT */
1539   bfd_arch_alliant,   /* Alliant */
1540   bfd_arch_convex,    /* Convex */
1541   bfd_arch_m88k,      /* Motorola 88xxx */
1542   bfd_arch_pyramid,   /* Pyramid Technology */
1543   bfd_arch_h8300,     /* Hitachi H8/300 */
1544 #define bfd_mach_h8300   1
1545 #define bfd_mach_h8300h  2
1546 #define bfd_mach_h8300s  3
1547   bfd_arch_pdp11,     /* DEC PDP-11 */
1548   bfd_arch_powerpc,   /* PowerPC */
1549 #define bfd_mach_ppc           0
1550 #define bfd_mach_ppc_403       403
1551 #define bfd_mach_ppc_403gc     4030
1552 #define bfd_mach_ppc_505       505
1553 #define bfd_mach_ppc_601       601
1554 #define bfd_mach_ppc_602       602
1555 #define bfd_mach_ppc_603       603
1556 #define bfd_mach_ppc_ec603e    6031
1557 #define bfd_mach_ppc_604       604
1558 #define bfd_mach_ppc_620       620
1559 #define bfd_mach_ppc_630       630
1560 #define bfd_mach_ppc_750       750
1561 #define bfd_mach_ppc_860       860
1562 #define bfd_mach_ppc_a35       35
1563 #define bfd_mach_ppc_rs64ii    642
1564 #define bfd_mach_ppc_rs64iii   643
1565 #define bfd_mach_ppc_7400      7400
1566   bfd_arch_rs6000,    /* IBM RS/6000 */
1567 #define bfd_mach_rs6k          0
1568 #define bfd_mach_rs6k_rs1      6001
1569 #define bfd_mach_rs6k_rsc      6003
1570 #define bfd_mach_rs6k_rs2      6002
1571   bfd_arch_hppa,      /* HP PA RISC */
1572   bfd_arch_d10v,      /* Mitsubishi D10V */
1573 #define bfd_mach_d10v          0
1574 #define bfd_mach_d10v_ts2      2
1575 #define bfd_mach_d10v_ts3      3
1576   bfd_arch_d30v,      /* Mitsubishi D30V */
1577   bfd_arch_m68hc11,   /* Motorola 68HC11 */
1578   bfd_arch_m68hc12,   /* Motorola 68HC12 */
1579   bfd_arch_z8k,       /* Zilog Z8000 */
1580 #define bfd_mach_z8001         1
1581 #define bfd_mach_z8002         2
1582   bfd_arch_h8500,     /* Hitachi H8/500 */
1583   bfd_arch_sh,        /* Hitachi SH */
1584 #define bfd_mach_sh            0
1585 #define bfd_mach_sh2        0x20
1586 #define bfd_mach_sh_dsp     0x2d
1587 #define bfd_mach_sh3        0x30
1588 #define bfd_mach_sh3_dsp    0x3d
1589 #define bfd_mach_sh3e       0x3e
1590 #define bfd_mach_sh4        0x40
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 /* 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_esa      0
1643 #define bfd_mach_s390_esame    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   boolean the_default;
1663   const struct bfd_arch_info * (*compatible)
1664        PARAMS ((const struct bfd_arch_info *a,
1665                 const struct bfd_arch_info *b));
1666
1667   boolean (*scan) PARAMS ((const struct bfd_arch_info *, const char *));
1668
1669   const struct bfd_arch_info *next;
1670 } bfd_arch_info_type;
1671 const char *
1672 bfd_printable_name PARAMS ((bfd *abfd));
1673
1674 const bfd_arch_info_type *
1675 bfd_scan_arch PARAMS ((const char *string));
1676
1677 const char **
1678 bfd_arch_list PARAMS ((void));
1679
1680 const bfd_arch_info_type *
1681 bfd_arch_get_compatible PARAMS ((
1682     const bfd *abfd,
1683     const bfd *bbfd));
1684
1685 void
1686 bfd_set_arch_info PARAMS ((bfd *abfd, const bfd_arch_info_type *arg));
1687
1688 enum bfd_architecture
1689 bfd_get_arch PARAMS ((bfd *abfd));
1690
1691 unsigned long
1692 bfd_get_mach PARAMS ((bfd *abfd));
1693
1694 unsigned int
1695 bfd_arch_bits_per_byte PARAMS ((bfd *abfd));
1696
1697 unsigned int
1698 bfd_arch_bits_per_address PARAMS ((bfd *abfd));
1699
1700 const bfd_arch_info_type *
1701 bfd_get_arch_info PARAMS ((bfd *abfd));
1702
1703 const bfd_arch_info_type *
1704 bfd_lookup_arch PARAMS ((enum bfd_architecture
1705     arch,
1706     unsigned long machine));
1707
1708 const char *
1709 bfd_printable_arch_mach PARAMS ((enum bfd_architecture arch, unsigned long machine));
1710
1711 unsigned int
1712 bfd_octets_per_byte PARAMS ((bfd *abfd));
1713
1714 unsigned int
1715 bfd_arch_mach_octets_per_byte PARAMS ((enum bfd_architecture arch,
1716     unsigned long machine));
1717
1718 typedef enum bfd_reloc_status
1719 {
1720   /* No errors detected */
1721   bfd_reloc_ok,
1722
1723   /* The relocation was performed, but there was an overflow. */
1724   bfd_reloc_overflow,
1725
1726   /* The address to relocate was not within the section supplied. */
1727   bfd_reloc_outofrange,
1728
1729   /* Used by special functions */
1730   bfd_reloc_continue,
1731
1732   /* Unsupported relocation size requested. */
1733   bfd_reloc_notsupported,
1734
1735   /* Unused */
1736   bfd_reloc_other,
1737
1738   /* The symbol to relocate against was undefined. */
1739   bfd_reloc_undefined,
1740
1741   /* The relocation was performed, but may not be ok - presently
1742      generated only when linking i960 coff files with i960 b.out
1743      symbols.  If this type is returned, the error_message argument
1744      to bfd_perform_relocation will be set.  */
1745   bfd_reloc_dangerous
1746  }
1747  bfd_reloc_status_type;
1748
1749
1750 typedef struct reloc_cache_entry
1751 {
1752   /* A pointer into the canonical table of pointers  */
1753   struct symbol_cache_entry **sym_ptr_ptr;
1754
1755   /* offset in section */
1756   bfd_size_type address;
1757
1758   /* addend for relocation value */
1759   bfd_vma addend;
1760
1761   /* Pointer to how to perform the required relocation */
1762   reloc_howto_type *howto;
1763
1764 } arelent;
1765 enum complain_overflow
1766 {
1767   /* Do not complain on overflow. */
1768   complain_overflow_dont,
1769
1770   /* Complain if the bitfield overflows, whether it is considered
1771      as signed or unsigned. */
1772   complain_overflow_bitfield,
1773
1774   /* Complain if the value overflows when considered as signed
1775      number. */
1776   complain_overflow_signed,
1777
1778   /* Complain if the value overflows when considered as an
1779      unsigned number. */
1780   complain_overflow_unsigned
1781 };
1782
1783 struct reloc_howto_struct
1784 {
1785   /*  The type field has mainly a documentary use - the back end can
1786       do what it wants with it, though normally the back end's
1787       external idea of what a reloc number is stored
1788       in this field.  For example, a PC relative word relocation
1789       in a coff environment has the type 023 - because that's
1790       what the outside world calls a R_PCRWORD reloc.  */
1791   unsigned int type;
1792
1793   /*  The value the final relocation is shifted right by.  This drops
1794       unwanted data from the relocation.  */
1795   unsigned int rightshift;
1796
1797   /*  The size of the item to be relocated.  This is *not* a
1798       power-of-two measure.  To get the number of bytes operated
1799       on by a type of relocation, use bfd_get_reloc_size.  */
1800   int size;
1801
1802   /*  The number of bits in the item to be relocated.  This is used
1803       when doing overflow checking.  */
1804   unsigned int bitsize;
1805
1806   /*  Notes that the relocation is relative to the location in the
1807       data section of the addend.  The relocation function will
1808       subtract from the relocation value the address of the location
1809       being relocated.  */
1810   boolean pc_relative;
1811
1812   /*  The bit position of the reloc value in the destination.
1813       The relocated value is left shifted by this amount.  */
1814   unsigned int bitpos;
1815
1816   /* What type of overflow error should be checked for when
1817      relocating.  */
1818   enum complain_overflow complain_on_overflow;
1819
1820   /* If this field is non null, then the supplied function is
1821      called rather than the normal function.  This allows really
1822      strange relocation methods to be accomodated (e.g., i960 callj
1823      instructions).  */
1824   bfd_reloc_status_type (*special_function)
1825     PARAMS ((bfd *, arelent *, struct symbol_cache_entry *, PTR, asection *,
1826              bfd *, char **));
1827
1828   /* The textual name of the relocation type.  */
1829   char *name;
1830
1831   /* Some formats record a relocation addend in the section contents
1832      rather than with the relocation.  For ELF formats this is the
1833      distinction between USE_REL and USE_RELA (though the code checks
1834      for USE_REL == 1/0).  The value of this field is TRUE if the
1835      addend is recorded with the section contents; when performing a
1836      partial link (ld -r) the section contents (the data) will be
1837      modified.  The value of this field is FALSE if addends are
1838      recorded with the relocation (in arelent.addend); when performing
1839      a partial link the relocation will be modified.
1840      All relocations for all ELF USE_RELA targets should set this field
1841      to FALSE (values of TRUE should be looked on with suspicion).
1842      However, the converse is not true: not all relocations of all ELF
1843      USE_REL targets set this field to TRUE.  Why this is so is peculiar
1844      to each particular target.  For relocs that aren't used in partial
1845      links (e.g. GOT stuff) it doesn't matter what this is set to.  */
1846   boolean partial_inplace;
1847
1848   /* The src_mask selects which parts of the read in data
1849      are to be used in the relocation sum.  E.g., if this was an 8 bit
1850      byte of data which we read and relocated, this would be
1851      0x000000ff.  When we have relocs which have an addend, such as
1852      sun4 extended relocs, the value in the offset part of a
1853      relocating field is garbage so we never use it.  In this case
1854      the mask would be 0x00000000.  */
1855   bfd_vma src_mask;
1856
1857   /* The dst_mask selects which parts of the instruction are replaced
1858      into the instruction.  In most cases src_mask == dst_mask,
1859      except in the above special case, where dst_mask would be
1860      0x000000ff, and src_mask would be 0x00000000.  */
1861   bfd_vma dst_mask;
1862
1863   /* When some formats create PC relative instructions, they leave
1864      the value of the pc of the place being relocated in the offset
1865      slot of the instruction, so that a PC relative relocation can
1866      be made just by adding in an ordinary offset (e.g., sun3 a.out).
1867      Some formats leave the displacement part of an instruction
1868      empty (e.g., m88k bcs); this flag signals the fact.  */
1869   boolean pcrel_offset;
1870 };
1871 #define HOWTO(C, R, S, B, P, BI, O, SF, NAME, INPLACE, MASKSRC, MASKDST, PC) \
1872   { (unsigned) C, R, S, B, P, BI, O, SF, NAME, INPLACE, MASKSRC, MASKDST, PC }
1873 #define NEWHOWTO(FUNCTION, NAME, SIZE, REL, IN) \
1874   HOWTO (0, 0, SIZE, 0, REL, 0, complain_overflow_dont, FUNCTION, \
1875          NAME, false, 0, 0, IN)
1876
1877 #define EMPTY_HOWTO(C) \
1878   HOWTO ((C), 0, 0, 0, false, 0, complain_overflow_dont, NULL, \
1879          NULL, false, 0, 0, false)
1880
1881 #define HOWTO_PREPARE(relocation, symbol)               \
1882   {                                                     \
1883     if (symbol != (asymbol *) NULL)                     \
1884       {                                                 \
1885         if (bfd_is_com_section (symbol->section))       \
1886           {                                             \
1887             relocation = 0;                             \
1888           }                                             \
1889         else                                            \
1890           {                                             \
1891             relocation = symbol->value;                 \
1892           }                                             \
1893       }                                                 \
1894   }
1895 unsigned int
1896 bfd_get_reloc_size PARAMS ((reloc_howto_type *));
1897
1898 typedef struct relent_chain
1899 {
1900   arelent relent;
1901   struct relent_chain *next;
1902 } arelent_chain;
1903 bfd_reloc_status_type
1904 bfd_check_overflow PARAMS ((enum complain_overflow how,
1905     unsigned int bitsize,
1906     unsigned int rightshift,
1907     unsigned int addrsize,
1908     bfd_vma relocation));
1909
1910 bfd_reloc_status_type
1911 bfd_perform_relocation PARAMS ((bfd *abfd,
1912     arelent *reloc_entry,
1913     PTR data,
1914     asection *input_section,
1915     bfd *output_bfd,
1916     char **error_message));
1917
1918 bfd_reloc_status_type
1919 bfd_install_relocation PARAMS ((bfd *abfd,
1920     arelent *reloc_entry,
1921     PTR data, bfd_vma data_start,
1922     asection *input_section,
1923     char **error_message));
1924
1925 enum bfd_reloc_code_real {
1926   _dummy_first_bfd_reloc_code_real,
1927
1928
1929 /* Basic absolute relocations of N bits. */
1930   BFD_RELOC_64,
1931   BFD_RELOC_32,
1932   BFD_RELOC_26,
1933   BFD_RELOC_24,
1934   BFD_RELOC_16,
1935   BFD_RELOC_14,
1936   BFD_RELOC_8,
1937
1938 /* PC-relative relocations.  Sometimes these are relative to the address
1939 of the relocation itself; sometimes they are relative to the start of
1940 the section containing the relocation.  It depends on the specific target.
1941
1942 The 24-bit relocation is used in some Intel 960 configurations. */
1943   BFD_RELOC_64_PCREL,
1944   BFD_RELOC_32_PCREL,
1945   BFD_RELOC_24_PCREL,
1946   BFD_RELOC_16_PCREL,
1947   BFD_RELOC_12_PCREL,
1948   BFD_RELOC_8_PCREL,
1949
1950 /* For ELF. */
1951   BFD_RELOC_32_GOT_PCREL,
1952   BFD_RELOC_16_GOT_PCREL,
1953   BFD_RELOC_8_GOT_PCREL,
1954   BFD_RELOC_32_GOTOFF,
1955   BFD_RELOC_16_GOTOFF,
1956   BFD_RELOC_LO16_GOTOFF,
1957   BFD_RELOC_HI16_GOTOFF,
1958   BFD_RELOC_HI16_S_GOTOFF,
1959   BFD_RELOC_8_GOTOFF,
1960   BFD_RELOC_64_PLT_PCREL,
1961   BFD_RELOC_32_PLT_PCREL,
1962   BFD_RELOC_24_PLT_PCREL,
1963   BFD_RELOC_16_PLT_PCREL,
1964   BFD_RELOC_8_PLT_PCREL,
1965   BFD_RELOC_64_PLTOFF,
1966   BFD_RELOC_32_PLTOFF,
1967   BFD_RELOC_16_PLTOFF,
1968   BFD_RELOC_LO16_PLTOFF,
1969   BFD_RELOC_HI16_PLTOFF,
1970   BFD_RELOC_HI16_S_PLTOFF,
1971   BFD_RELOC_8_PLTOFF,
1972
1973 /* Relocations used by 68K ELF. */
1974   BFD_RELOC_68K_GLOB_DAT,
1975   BFD_RELOC_68K_JMP_SLOT,
1976   BFD_RELOC_68K_RELATIVE,
1977
1978 /* Linkage-table relative. */
1979   BFD_RELOC_32_BASEREL,
1980   BFD_RELOC_16_BASEREL,
1981   BFD_RELOC_LO16_BASEREL,
1982   BFD_RELOC_HI16_BASEREL,
1983   BFD_RELOC_HI16_S_BASEREL,
1984   BFD_RELOC_8_BASEREL,
1985   BFD_RELOC_RVA,
1986
1987 /* Absolute 8-bit relocation, but used to form an address like 0xFFnn. */
1988   BFD_RELOC_8_FFnn,
1989
1990 /* These PC-relative relocations are stored as word displacements --
1991 i.e., byte displacements shifted right two bits.  The 30-bit word
1992 displacement (<<32_PCREL_S2>> -- 32 bits, shifted 2) is used on the
1993 SPARC.  (SPARC tools generally refer to this as <<WDISP30>>.)  The
1994 signed 16-bit displacement is used on the MIPS, and the 23-bit
1995 displacement is used on the Alpha. */
1996   BFD_RELOC_32_PCREL_S2,
1997   BFD_RELOC_16_PCREL_S2,
1998   BFD_RELOC_23_PCREL_S2,
1999
2000 /* High 22 bits and low 10 bits of 32-bit value, placed into lower bits of
2001 the target word.  These are used on the SPARC. */
2002   BFD_RELOC_HI22,
2003   BFD_RELOC_LO10,
2004
2005 /* For systems that allocate a Global Pointer register, these are
2006 displacements off that register.  These relocation types are
2007 handled specially, because the value the register will have is
2008 decided relatively late. */
2009   BFD_RELOC_GPREL16,
2010   BFD_RELOC_GPREL32,
2011
2012 /* Reloc types used for i960/b.out. */
2013   BFD_RELOC_I960_CALLJ,
2014
2015 /* SPARC ELF relocations.  There is probably some overlap with other
2016 relocation types already defined. */
2017   BFD_RELOC_NONE,
2018   BFD_RELOC_SPARC_WDISP22,
2019   BFD_RELOC_SPARC22,
2020   BFD_RELOC_SPARC13,
2021   BFD_RELOC_SPARC_GOT10,
2022   BFD_RELOC_SPARC_GOT13,
2023   BFD_RELOC_SPARC_GOT22,
2024   BFD_RELOC_SPARC_PC10,
2025   BFD_RELOC_SPARC_PC22,
2026   BFD_RELOC_SPARC_WPLT30,
2027   BFD_RELOC_SPARC_COPY,
2028   BFD_RELOC_SPARC_GLOB_DAT,
2029   BFD_RELOC_SPARC_JMP_SLOT,
2030   BFD_RELOC_SPARC_RELATIVE,
2031   BFD_RELOC_SPARC_UA16,
2032   BFD_RELOC_SPARC_UA32,
2033   BFD_RELOC_SPARC_UA64,
2034
2035 /* I think these are specific to SPARC a.out (e.g., Sun 4). */
2036   BFD_RELOC_SPARC_BASE13,
2037   BFD_RELOC_SPARC_BASE22,
2038
2039 /* SPARC64 relocations */
2040 #define BFD_RELOC_SPARC_64 BFD_RELOC_64
2041   BFD_RELOC_SPARC_10,
2042   BFD_RELOC_SPARC_11,
2043   BFD_RELOC_SPARC_OLO10,
2044   BFD_RELOC_SPARC_HH22,
2045   BFD_RELOC_SPARC_HM10,
2046   BFD_RELOC_SPARC_LM22,
2047   BFD_RELOC_SPARC_PC_HH22,
2048   BFD_RELOC_SPARC_PC_HM10,
2049   BFD_RELOC_SPARC_PC_LM22,
2050   BFD_RELOC_SPARC_WDISP16,
2051   BFD_RELOC_SPARC_WDISP19,
2052   BFD_RELOC_SPARC_7,
2053   BFD_RELOC_SPARC_6,
2054   BFD_RELOC_SPARC_5,
2055 #define BFD_RELOC_SPARC_DISP64 BFD_RELOC_64_PCREL
2056   BFD_RELOC_SPARC_PLT32,
2057   BFD_RELOC_SPARC_PLT64,
2058   BFD_RELOC_SPARC_HIX22,
2059   BFD_RELOC_SPARC_LOX10,
2060   BFD_RELOC_SPARC_H44,
2061   BFD_RELOC_SPARC_M44,
2062   BFD_RELOC_SPARC_L44,
2063   BFD_RELOC_SPARC_REGISTER,
2064
2065 /* SPARC little endian relocation */
2066   BFD_RELOC_SPARC_REV32,
2067
2068 /* Alpha ECOFF and ELF relocations.  Some of these treat the symbol or
2069 "addend" in some special way.
2070 For GPDISP_HI16 ("gpdisp") relocations, the symbol is ignored when
2071 writing; when reading, it will be the absolute section symbol.  The
2072 addend is the displacement in bytes of the "lda" instruction from
2073 the "ldah" instruction (which is at the address of this reloc). */
2074   BFD_RELOC_ALPHA_GPDISP_HI16,
2075
2076 /* For GPDISP_LO16 ("ignore") relocations, the symbol is handled as
2077 with GPDISP_HI16 relocs.  The addend is ignored when writing the
2078 relocations out, and is filled in with the file's GP value on
2079 reading, for convenience. */
2080   BFD_RELOC_ALPHA_GPDISP_LO16,
2081
2082 /* The ELF GPDISP relocation is exactly the same as the GPDISP_HI16
2083 relocation except that there is no accompanying GPDISP_LO16
2084 relocation. */
2085   BFD_RELOC_ALPHA_GPDISP,
2086
2087 /* The Alpha LITERAL/LITUSE relocs are produced by a symbol reference;
2088 the assembler turns it into a LDQ instruction to load the address of
2089 the symbol, and then fills in a register in the real instruction.
2090
2091 The LITERAL reloc, at the LDQ instruction, refers to the .lita
2092 section symbol.  The addend is ignored when writing, but is filled
2093 in with the file's GP value on reading, for convenience, as with the
2094 GPDISP_LO16 reloc.
2095
2096 The ELF_LITERAL reloc is somewhere between 16_GOTOFF and GPDISP_LO16.
2097 It should refer to the symbol to be referenced, as with 16_GOTOFF,
2098 but it generates output not based on the position within the .got
2099 section, but relative to the GP value chosen for the file during the
2100 final link stage.
2101
2102 The LITUSE reloc, on the instruction using the loaded address, gives
2103 information to the linker that it might be able to use to optimize
2104 away some literal section references.  The symbol is ignored (read
2105 as the absolute section symbol), and the "addend" indicates the type
2106 of instruction using the register:
2107 1 - "memory" fmt insn
2108 2 - byte-manipulation (byte offset reg)
2109 3 - jsr (target of branch) */
2110   BFD_RELOC_ALPHA_LITERAL,
2111   BFD_RELOC_ALPHA_ELF_LITERAL,
2112   BFD_RELOC_ALPHA_LITUSE,
2113
2114 /* The HINT relocation indicates a value that should be filled into the
2115 "hint" field of a jmp/jsr/ret instruction, for possible branch-
2116 prediction logic which may be provided on some processors. */
2117   BFD_RELOC_ALPHA_HINT,
2118
2119 /* The LINKAGE relocation outputs a linkage pair in the object file,
2120 which is filled by the linker. */
2121   BFD_RELOC_ALPHA_LINKAGE,
2122
2123 /* The CODEADDR relocation outputs a STO_CA in the object file,
2124 which is filled by the linker. */
2125   BFD_RELOC_ALPHA_CODEADDR,
2126
2127 /* The GPREL_HI/LO relocations together form a 32-bit offset from the
2128 GP register. */
2129   BFD_RELOC_ALPHA_GPREL_HI16,
2130   BFD_RELOC_ALPHA_GPREL_LO16,
2131
2132 /* Bits 27..2 of the relocation address shifted right 2 bits;
2133 simple reloc otherwise. */
2134   BFD_RELOC_MIPS_JMP,
2135
2136 /* The MIPS16 jump instruction. */
2137   BFD_RELOC_MIPS16_JMP,
2138
2139 /* MIPS16 GP relative reloc. */
2140   BFD_RELOC_MIPS16_GPREL,
2141
2142 /* High 16 bits of 32-bit value; simple reloc. */
2143   BFD_RELOC_HI16,
2144
2145 /* High 16 bits of 32-bit value but the low 16 bits will be sign
2146 extended and added to form the final result.  If the low 16
2147 bits form a negative number, we need to add one to the high value
2148 to compensate for the borrow when the low bits are added. */
2149   BFD_RELOC_HI16_S,
2150
2151 /* Low 16 bits. */
2152   BFD_RELOC_LO16,
2153
2154 /* Like BFD_RELOC_HI16_S, but PC relative. */
2155   BFD_RELOC_PCREL_HI16_S,
2156
2157 /* Like BFD_RELOC_LO16, but PC relative. */
2158   BFD_RELOC_PCREL_LO16,
2159
2160 /* Relocation against a MIPS literal section. */
2161   BFD_RELOC_MIPS_LITERAL,
2162
2163 /* MIPS ELF relocations. */
2164   BFD_RELOC_MIPS_GOT16,
2165   BFD_RELOC_MIPS_CALL16,
2166   BFD_RELOC_MIPS_GOT_HI16,
2167   BFD_RELOC_MIPS_GOT_LO16,
2168   BFD_RELOC_MIPS_CALL_HI16,
2169   BFD_RELOC_MIPS_CALL_LO16,
2170   BFD_RELOC_MIPS_SUB,
2171   BFD_RELOC_MIPS_GOT_PAGE,
2172   BFD_RELOC_MIPS_GOT_OFST,
2173   BFD_RELOC_MIPS_GOT_DISP,
2174   BFD_RELOC_MIPS_SHIFT5,
2175   BFD_RELOC_MIPS_SHIFT6,
2176   BFD_RELOC_MIPS_INSERT_A,
2177   BFD_RELOC_MIPS_INSERT_B,
2178   BFD_RELOC_MIPS_DELETE,
2179   BFD_RELOC_MIPS_HIGHEST,
2180   BFD_RELOC_MIPS_HIGHER,
2181   BFD_RELOC_MIPS_SCN_DISP,
2182   BFD_RELOC_MIPS_REL16,
2183   BFD_RELOC_MIPS_RELGOT,
2184   BFD_RELOC_MIPS_JALR,
2185
2186
2187 /* i386/elf relocations */
2188   BFD_RELOC_386_GOT32,
2189   BFD_RELOC_386_PLT32,
2190   BFD_RELOC_386_COPY,
2191   BFD_RELOC_386_GLOB_DAT,
2192   BFD_RELOC_386_JUMP_SLOT,
2193   BFD_RELOC_386_RELATIVE,
2194   BFD_RELOC_386_GOTOFF,
2195   BFD_RELOC_386_GOTPC,
2196
2197 /* x86-64/elf relocations */
2198   BFD_RELOC_X86_64_GOT32,
2199   BFD_RELOC_X86_64_PLT32,
2200   BFD_RELOC_X86_64_COPY,
2201   BFD_RELOC_X86_64_GLOB_DAT,
2202   BFD_RELOC_X86_64_JUMP_SLOT,
2203   BFD_RELOC_X86_64_RELATIVE,
2204   BFD_RELOC_X86_64_GOTPCREL,
2205   BFD_RELOC_X86_64_32S,
2206
2207 /* ns32k relocations */
2208   BFD_RELOC_NS32K_IMM_8,
2209   BFD_RELOC_NS32K_IMM_16,
2210   BFD_RELOC_NS32K_IMM_32,
2211   BFD_RELOC_NS32K_IMM_8_PCREL,
2212   BFD_RELOC_NS32K_IMM_16_PCREL,
2213   BFD_RELOC_NS32K_IMM_32_PCREL,
2214   BFD_RELOC_NS32K_DISP_8,
2215   BFD_RELOC_NS32K_DISP_16,
2216   BFD_RELOC_NS32K_DISP_32,
2217   BFD_RELOC_NS32K_DISP_8_PCREL,
2218   BFD_RELOC_NS32K_DISP_16_PCREL,
2219   BFD_RELOC_NS32K_DISP_32_PCREL,
2220
2221 /* PDP11 relocations */
2222   BFD_RELOC_PDP11_DISP_8_PCREL,
2223   BFD_RELOC_PDP11_DISP_6_PCREL,
2224
2225 /* Picojava relocs.  Not all of these appear in object files. */
2226   BFD_RELOC_PJ_CODE_HI16,
2227   BFD_RELOC_PJ_CODE_LO16,
2228   BFD_RELOC_PJ_CODE_DIR16,
2229   BFD_RELOC_PJ_CODE_DIR32,
2230   BFD_RELOC_PJ_CODE_REL16,
2231   BFD_RELOC_PJ_CODE_REL32,
2232
2233 /* Power(rs6000) and PowerPC relocations. */
2234   BFD_RELOC_PPC_B26,
2235   BFD_RELOC_PPC_BA26,
2236   BFD_RELOC_PPC_TOC16,
2237   BFD_RELOC_PPC_B16,
2238   BFD_RELOC_PPC_B16_BRTAKEN,
2239   BFD_RELOC_PPC_B16_BRNTAKEN,
2240   BFD_RELOC_PPC_BA16,
2241   BFD_RELOC_PPC_BA16_BRTAKEN,
2242   BFD_RELOC_PPC_BA16_BRNTAKEN,
2243   BFD_RELOC_PPC_COPY,
2244   BFD_RELOC_PPC_GLOB_DAT,
2245   BFD_RELOC_PPC_JMP_SLOT,
2246   BFD_RELOC_PPC_RELATIVE,
2247   BFD_RELOC_PPC_LOCAL24PC,
2248   BFD_RELOC_PPC_EMB_NADDR32,
2249   BFD_RELOC_PPC_EMB_NADDR16,
2250   BFD_RELOC_PPC_EMB_NADDR16_LO,
2251   BFD_RELOC_PPC_EMB_NADDR16_HI,
2252   BFD_RELOC_PPC_EMB_NADDR16_HA,
2253   BFD_RELOC_PPC_EMB_SDAI16,
2254   BFD_RELOC_PPC_EMB_SDA2I16,
2255   BFD_RELOC_PPC_EMB_SDA2REL,
2256   BFD_RELOC_PPC_EMB_SDA21,
2257   BFD_RELOC_PPC_EMB_MRKREF,
2258   BFD_RELOC_PPC_EMB_RELSEC16,
2259   BFD_RELOC_PPC_EMB_RELST_LO,
2260   BFD_RELOC_PPC_EMB_RELST_HI,
2261   BFD_RELOC_PPC_EMB_RELST_HA,
2262   BFD_RELOC_PPC_EMB_BIT_FLD,
2263   BFD_RELOC_PPC_EMB_RELSDA,
2264   BFD_RELOC_PPC64_HIGHER,
2265   BFD_RELOC_PPC64_HIGHER_S,
2266   BFD_RELOC_PPC64_HIGHEST,
2267   BFD_RELOC_PPC64_HIGHEST_S,
2268   BFD_RELOC_PPC64_TOC16_LO,
2269   BFD_RELOC_PPC64_TOC16_HI,
2270   BFD_RELOC_PPC64_TOC16_HA,
2271   BFD_RELOC_PPC64_TOC,
2272   BFD_RELOC_PPC64_PLTGOT16,
2273   BFD_RELOC_PPC64_PLTGOT16_LO,
2274   BFD_RELOC_PPC64_PLTGOT16_HI,
2275   BFD_RELOC_PPC64_PLTGOT16_HA,
2276   BFD_RELOC_PPC64_ADDR16_DS,
2277   BFD_RELOC_PPC64_ADDR16_LO_DS,
2278   BFD_RELOC_PPC64_GOT16_DS,
2279   BFD_RELOC_PPC64_GOT16_LO_DS,
2280   BFD_RELOC_PPC64_PLT16_LO_DS,
2281   BFD_RELOC_PPC64_SECTOFF_DS,
2282   BFD_RELOC_PPC64_SECTOFF_LO_DS,
2283   BFD_RELOC_PPC64_TOC16_DS,
2284   BFD_RELOC_PPC64_TOC16_LO_DS,
2285   BFD_RELOC_PPC64_PLTGOT16_DS,
2286   BFD_RELOC_PPC64_PLTGOT16_LO_DS,
2287
2288 /* IBM 370/390 relocations */
2289   BFD_RELOC_I370_D12,
2290
2291 /* The type of reloc used to build a contructor table - at the moment
2292 probably a 32 bit wide absolute relocation, but the target can choose.
2293 It generally does map to one of the other relocation types. */
2294   BFD_RELOC_CTOR,
2295
2296 /* ARM 26 bit pc-relative branch.  The lowest two bits must be zero and are
2297 not stored in the instruction. */
2298   BFD_RELOC_ARM_PCREL_BRANCH,
2299
2300 /* ARM 26 bit pc-relative branch.  The lowest bit must be zero and is
2301 not stored in the instruction.  The 2nd lowest bit comes from a 1 bit
2302 field in the instruction. */
2303   BFD_RELOC_ARM_PCREL_BLX,
2304
2305 /* Thumb 22 bit pc-relative branch.  The lowest bit must be zero and is
2306 not stored in the instruction.  The 2nd lowest bit comes from a 1 bit
2307 field in the instruction. */
2308   BFD_RELOC_THUMB_PCREL_BLX,
2309
2310 /* These relocs are only used within the ARM assembler.  They are not
2311 (at present) written to any object files. */
2312   BFD_RELOC_ARM_IMMEDIATE,
2313   BFD_RELOC_ARM_ADRL_IMMEDIATE,
2314   BFD_RELOC_ARM_OFFSET_IMM,
2315   BFD_RELOC_ARM_SHIFT_IMM,
2316   BFD_RELOC_ARM_SWI,
2317   BFD_RELOC_ARM_MULTI,
2318   BFD_RELOC_ARM_CP_OFF_IMM,
2319   BFD_RELOC_ARM_ADR_IMM,
2320   BFD_RELOC_ARM_LDR_IMM,
2321   BFD_RELOC_ARM_LITERAL,
2322   BFD_RELOC_ARM_IN_POOL,
2323   BFD_RELOC_ARM_OFFSET_IMM8,
2324   BFD_RELOC_ARM_HWLITERAL,
2325   BFD_RELOC_ARM_THUMB_ADD,
2326   BFD_RELOC_ARM_THUMB_IMM,
2327   BFD_RELOC_ARM_THUMB_SHIFT,
2328   BFD_RELOC_ARM_THUMB_OFFSET,
2329   BFD_RELOC_ARM_GOT12,
2330   BFD_RELOC_ARM_GOT32,
2331   BFD_RELOC_ARM_JUMP_SLOT,
2332   BFD_RELOC_ARM_COPY,
2333   BFD_RELOC_ARM_GLOB_DAT,
2334   BFD_RELOC_ARM_PLT32,
2335   BFD_RELOC_ARM_RELATIVE,
2336   BFD_RELOC_ARM_GOTOFF,
2337   BFD_RELOC_ARM_GOTPC,
2338
2339 /* Hitachi SH relocs.  Not all of these appear in object files. */
2340   BFD_RELOC_SH_PCDISP8BY2,
2341   BFD_RELOC_SH_PCDISP12BY2,
2342   BFD_RELOC_SH_IMM4,
2343   BFD_RELOC_SH_IMM4BY2,
2344   BFD_RELOC_SH_IMM4BY4,
2345   BFD_RELOC_SH_IMM8,
2346   BFD_RELOC_SH_IMM8BY2,
2347   BFD_RELOC_SH_IMM8BY4,
2348   BFD_RELOC_SH_PCRELIMM8BY2,
2349   BFD_RELOC_SH_PCRELIMM8BY4,
2350   BFD_RELOC_SH_SWITCH16,
2351   BFD_RELOC_SH_SWITCH32,
2352   BFD_RELOC_SH_USES,
2353   BFD_RELOC_SH_COUNT,
2354   BFD_RELOC_SH_ALIGN,
2355   BFD_RELOC_SH_CODE,
2356   BFD_RELOC_SH_DATA,
2357   BFD_RELOC_SH_LABEL,
2358   BFD_RELOC_SH_LOOP_START,
2359   BFD_RELOC_SH_LOOP_END,
2360   BFD_RELOC_SH_COPY,
2361   BFD_RELOC_SH_GLOB_DAT,
2362   BFD_RELOC_SH_JMP_SLOT,
2363   BFD_RELOC_SH_RELATIVE,
2364   BFD_RELOC_SH_GOTPC,
2365
2366 /* Thumb 23-, 12- and 9-bit pc-relative branches.  The lowest bit must
2367 be zero and is not stored in the instruction. */
2368   BFD_RELOC_THUMB_PCREL_BRANCH9,
2369   BFD_RELOC_THUMB_PCREL_BRANCH12,
2370   BFD_RELOC_THUMB_PCREL_BRANCH23,
2371
2372 /* ARC Cores relocs.
2373 ARC 22 bit pc-relative branch.  The lowest two bits must be zero and are
2374 not stored in the instruction.  The high 20 bits are installed in bits 26
2375 through 7 of the instruction. */
2376   BFD_RELOC_ARC_B22_PCREL,
2377
2378 /* ARC 26 bit absolute branch.  The lowest two bits must be zero and are not
2379 stored in the instruction.  The high 24 bits are installed in bits 23
2380 through 0. */
2381   BFD_RELOC_ARC_B26,
2382
2383 /* Mitsubishi D10V relocs.
2384 This is a 10-bit reloc with the right 2 bits
2385 assumed to be 0. */
2386   BFD_RELOC_D10V_10_PCREL_R,
2387
2388 /* Mitsubishi D10V relocs.
2389 This is a 10-bit reloc with the right 2 bits
2390 assumed to be 0.  This is the same as the previous reloc
2391 except it is in the left container, i.e.,
2392 shifted left 15 bits. */
2393   BFD_RELOC_D10V_10_PCREL_L,
2394
2395 /* This is an 18-bit reloc with the right 2 bits
2396 assumed to be 0. */
2397   BFD_RELOC_D10V_18,
2398
2399 /* This is an 18-bit reloc with the right 2 bits
2400 assumed to be 0. */
2401   BFD_RELOC_D10V_18_PCREL,
2402
2403 /* Mitsubishi D30V relocs.
2404 This is a 6-bit absolute reloc. */
2405   BFD_RELOC_D30V_6,
2406
2407 /* This is a 6-bit pc-relative reloc with
2408 the right 3 bits assumed to be 0. */
2409   BFD_RELOC_D30V_9_PCREL,
2410
2411 /* This is a 6-bit pc-relative reloc with
2412 the right 3 bits assumed to be 0. Same
2413 as the previous reloc but on the right side
2414 of the container. */
2415   BFD_RELOC_D30V_9_PCREL_R,
2416
2417 /* This is a 12-bit absolute reloc with the
2418 right 3 bitsassumed to be 0. */
2419   BFD_RELOC_D30V_15,
2420
2421 /* This is a 12-bit pc-relative reloc with
2422 the right 3 bits assumed to be 0. */
2423   BFD_RELOC_D30V_15_PCREL,
2424
2425 /* This is a 12-bit pc-relative reloc with
2426 the right 3 bits assumed to be 0. Same
2427 as the previous reloc but on the right side
2428 of the container. */
2429   BFD_RELOC_D30V_15_PCREL_R,
2430
2431 /* This is an 18-bit absolute reloc with
2432 the right 3 bits assumed to be 0. */
2433   BFD_RELOC_D30V_21,
2434
2435 /* This is an 18-bit pc-relative reloc with
2436 the right 3 bits assumed to be 0. */
2437   BFD_RELOC_D30V_21_PCREL,
2438
2439 /* This is an 18-bit pc-relative reloc with
2440 the right 3 bits assumed to be 0. Same
2441 as the previous reloc but on the right side
2442 of the container. */
2443   BFD_RELOC_D30V_21_PCREL_R,
2444
2445 /* This is a 32-bit absolute reloc. */
2446   BFD_RELOC_D30V_32,
2447
2448 /* This is a 32-bit pc-relative reloc. */
2449   BFD_RELOC_D30V_32_PCREL,
2450
2451 /* Mitsubishi M32R relocs.
2452 This is a 24 bit absolute address. */
2453   BFD_RELOC_M32R_24,
2454
2455 /* This is a 10-bit pc-relative reloc with the right 2 bits assumed to be 0. */
2456   BFD_RELOC_M32R_10_PCREL,
2457
2458 /* This is an 18-bit reloc with the right 2 bits assumed to be 0. */
2459   BFD_RELOC_M32R_18_PCREL,
2460
2461 /* This is a 26-bit reloc with the right 2 bits assumed to be 0. */
2462   BFD_RELOC_M32R_26_PCREL,
2463
2464 /* This is a 16-bit reloc containing the high 16 bits of an address
2465 used when the lower 16 bits are treated as unsigned. */
2466   BFD_RELOC_M32R_HI16_ULO,
2467
2468 /* This is a 16-bit reloc containing the high 16 bits of an address
2469 used when the lower 16 bits are treated as signed. */
2470   BFD_RELOC_M32R_HI16_SLO,
2471
2472 /* This is a 16-bit reloc containing the lower 16 bits of an address. */
2473   BFD_RELOC_M32R_LO16,
2474
2475 /* This is a 16-bit reloc containing the small data area offset for use in
2476 add3, load, and store instructions. */
2477   BFD_RELOC_M32R_SDA16,
2478
2479 /* This is a 9-bit reloc */
2480   BFD_RELOC_V850_9_PCREL,
2481
2482 /* This is a 22-bit reloc */
2483   BFD_RELOC_V850_22_PCREL,
2484
2485 /* This is a 16 bit offset from the short data area pointer. */
2486   BFD_RELOC_V850_SDA_16_16_OFFSET,
2487
2488 /* This is a 16 bit offset (of which only 15 bits are used) from the
2489 short data area pointer. */
2490   BFD_RELOC_V850_SDA_15_16_OFFSET,
2491
2492 /* This is a 16 bit offset from the zero data area pointer. */
2493   BFD_RELOC_V850_ZDA_16_16_OFFSET,
2494
2495 /* This is a 16 bit offset (of which only 15 bits are used) from the
2496 zero data area pointer. */
2497   BFD_RELOC_V850_ZDA_15_16_OFFSET,
2498
2499 /* This is an 8 bit offset (of which only 6 bits are used) from the
2500 tiny data area pointer. */
2501   BFD_RELOC_V850_TDA_6_8_OFFSET,
2502
2503 /* This is an 8bit offset (of which only 7 bits are used) from the tiny
2504 data area pointer. */
2505   BFD_RELOC_V850_TDA_7_8_OFFSET,
2506
2507 /* This is a 7 bit offset from the tiny data area pointer. */
2508   BFD_RELOC_V850_TDA_7_7_OFFSET,
2509
2510 /* This is a 16 bit offset from the tiny data area pointer. */
2511   BFD_RELOC_V850_TDA_16_16_OFFSET,
2512
2513 /* This is a 5 bit offset (of which only 4 bits are used) from the tiny
2514 data area pointer. */
2515   BFD_RELOC_V850_TDA_4_5_OFFSET,
2516
2517 /* This is a 4 bit offset from the tiny data area pointer. */
2518   BFD_RELOC_V850_TDA_4_4_OFFSET,
2519
2520 /* This is a 16 bit offset from the short data area pointer, with the
2521 bits placed non-contigously in the instruction. */
2522   BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET,
2523
2524 /* This is a 16 bit offset from the zero data area pointer, with the
2525 bits placed non-contigously in the instruction. */
2526   BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET,
2527
2528 /* This is a 6 bit offset from the call table base pointer. */
2529   BFD_RELOC_V850_CALLT_6_7_OFFSET,
2530
2531 /* This is a 16 bit offset from the call table base pointer. */
2532   BFD_RELOC_V850_CALLT_16_16_OFFSET,
2533
2534
2535 /* This is a 32bit pcrel reloc for the mn10300, offset by two bytes in the
2536 instruction. */
2537   BFD_RELOC_MN10300_32_PCREL,
2538
2539 /* This is a 16bit pcrel reloc for the mn10300, offset by two bytes in the
2540 instruction. */
2541   BFD_RELOC_MN10300_16_PCREL,
2542
2543 /* This is a 8bit DP reloc for the tms320c30, where the most
2544 significant 8 bits of a 24 bit word are placed into the least
2545 significant 8 bits of the opcode. */
2546   BFD_RELOC_TIC30_LDP,
2547
2548 /* This is a 7bit reloc for the tms320c54x, where the least
2549 significant 7 bits of a 16 bit word are placed into the least
2550 significant 7 bits of the opcode. */
2551   BFD_RELOC_TIC54X_PARTLS7,
2552
2553 /* This is a 9bit DP reloc for the tms320c54x, where the most
2554 significant 9 bits of a 16 bit word are placed into the least
2555 significant 9 bits of the opcode. */
2556   BFD_RELOC_TIC54X_PARTMS9,
2557
2558 /* This is an extended address 23-bit reloc for the tms320c54x. */
2559   BFD_RELOC_TIC54X_23,
2560
2561 /* This is a 16-bit reloc for the tms320c54x, where the least
2562 significant 16 bits of a 23-bit extended address are placed into
2563 the opcode. */
2564   BFD_RELOC_TIC54X_16_OF_23,
2565
2566 /* This is a reloc for the tms320c54x, where the most
2567 significant 7 bits of a 23-bit extended address are placed into
2568 the opcode. */
2569   BFD_RELOC_TIC54X_MS7_OF_23,
2570
2571 /* This is a 48 bit reloc for the FR30 that stores 32 bits. */
2572   BFD_RELOC_FR30_48,
2573
2574 /* This is a 32 bit reloc for the FR30 that stores 20 bits split up into
2575 two sections. */
2576   BFD_RELOC_FR30_20,
2577
2578 /* This is a 16 bit reloc for the FR30 that stores a 6 bit word offset in
2579 4 bits. */
2580   BFD_RELOC_FR30_6_IN_4,
2581
2582 /* This is a 16 bit reloc for the FR30 that stores an 8 bit byte offset
2583 into 8 bits. */
2584   BFD_RELOC_FR30_8_IN_8,
2585
2586 /* This is a 16 bit reloc for the FR30 that stores a 9 bit short offset
2587 into 8 bits. */
2588   BFD_RELOC_FR30_9_IN_8,
2589
2590 /* This is a 16 bit reloc for the FR30 that stores a 10 bit word offset
2591 into 8 bits. */
2592   BFD_RELOC_FR30_10_IN_8,
2593
2594 /* This is a 16 bit reloc for the FR30 that stores a 9 bit pc relative
2595 short offset into 8 bits. */
2596   BFD_RELOC_FR30_9_PCREL,
2597
2598 /* This is a 16 bit reloc for the FR30 that stores a 12 bit pc relative
2599 short offset into 11 bits. */
2600   BFD_RELOC_FR30_12_PCREL,
2601
2602 /* Motorola Mcore relocations. */
2603   BFD_RELOC_MCORE_PCREL_IMM8BY4,
2604   BFD_RELOC_MCORE_PCREL_IMM11BY2,
2605   BFD_RELOC_MCORE_PCREL_IMM4BY2,
2606   BFD_RELOC_MCORE_PCREL_32,
2607   BFD_RELOC_MCORE_PCREL_JSR_IMM11BY2,
2608   BFD_RELOC_MCORE_RVA,
2609
2610 /* These are relocations for the GETA instruction. */
2611   BFD_RELOC_MMIX_GETA,
2612   BFD_RELOC_MMIX_GETA_1,
2613   BFD_RELOC_MMIX_GETA_2,
2614   BFD_RELOC_MMIX_GETA_3,
2615
2616 /* These are relocations for a conditional branch instruction. */
2617   BFD_RELOC_MMIX_CBRANCH,
2618   BFD_RELOC_MMIX_CBRANCH_J,
2619   BFD_RELOC_MMIX_CBRANCH_1,
2620   BFD_RELOC_MMIX_CBRANCH_2,
2621   BFD_RELOC_MMIX_CBRANCH_3,
2622
2623 /* These are relocations for the PUSHJ instruction. */
2624   BFD_RELOC_MMIX_PUSHJ,
2625   BFD_RELOC_MMIX_PUSHJ_1,
2626   BFD_RELOC_MMIX_PUSHJ_2,
2627   BFD_RELOC_MMIX_PUSHJ_3,
2628
2629 /* These are relocations for the JMP instruction. */
2630   BFD_RELOC_MMIX_JMP,
2631   BFD_RELOC_MMIX_JMP_1,
2632   BFD_RELOC_MMIX_JMP_2,
2633   BFD_RELOC_MMIX_JMP_3,
2634
2635 /* This is a relocation for a relative address as in a GETA instruction or
2636 a branch. */
2637   BFD_RELOC_MMIX_ADDR19,
2638
2639 /* This is a relocation for a relative address as in a JMP instruction. */
2640   BFD_RELOC_MMIX_ADDR27,
2641
2642 /* This is a relocation for an instruction field that may be a general
2643 register or a value 0..255. */
2644   BFD_RELOC_MMIX_REG_OR_BYTE,
2645
2646 /* This is a relocation for an instruction field that may be a general
2647 register. */
2648   BFD_RELOC_MMIX_REG,
2649
2650 /* This is a relocation for two instruction fields holding a register and
2651 an offset, the equivalent of the relocation. */
2652   BFD_RELOC_MMIX_BASE_PLUS_OFFSET,
2653
2654 /* This relocation is an assertion that the expression is not allocated as
2655 a global register.  It does not modify contents. */
2656   BFD_RELOC_MMIX_LOCAL,
2657
2658 /* This is a 16 bit reloc for the AVR that stores 8 bit pc relative
2659 short offset into 7 bits. */
2660   BFD_RELOC_AVR_7_PCREL,
2661
2662 /* This is a 16 bit reloc for the AVR that stores 13 bit pc relative
2663 short offset into 12 bits. */
2664   BFD_RELOC_AVR_13_PCREL,
2665
2666 /* This is a 16 bit reloc for the AVR that stores 17 bit value (usually
2667 program memory address) into 16 bits. */
2668   BFD_RELOC_AVR_16_PM,
2669
2670 /* This is a 16 bit reloc for the AVR that stores 8 bit value (usually
2671 data memory address) into 8 bit immediate value of LDI insn. */
2672   BFD_RELOC_AVR_LO8_LDI,
2673
2674 /* This is a 16 bit reloc for the AVR that stores 8 bit value (high 8 bit
2675 of data memory address) into 8 bit immediate value of LDI insn. */
2676   BFD_RELOC_AVR_HI8_LDI,
2677
2678 /* This is a 16 bit reloc for the AVR that stores 8 bit value (most high 8 bit
2679 of program memory address) into 8 bit immediate value of LDI insn. */
2680   BFD_RELOC_AVR_HH8_LDI,
2681
2682 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2683 (usually data memory address) into 8 bit immediate value of SUBI insn. */
2684   BFD_RELOC_AVR_LO8_LDI_NEG,
2685
2686 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2687 (high 8 bit of data memory address) into 8 bit immediate value of
2688 SUBI insn. */
2689   BFD_RELOC_AVR_HI8_LDI_NEG,
2690
2691 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2692 (most high 8 bit of program memory address) into 8 bit immediate value
2693 of LDI or SUBI insn. */
2694   BFD_RELOC_AVR_HH8_LDI_NEG,
2695
2696 /* This is a 16 bit reloc for the AVR that stores 8 bit value (usually
2697 command address) into 8 bit immediate value of LDI insn. */
2698   BFD_RELOC_AVR_LO8_LDI_PM,
2699
2700 /* This is a 16 bit reloc for the AVR that stores 8 bit value (high 8 bit
2701 of command address) into 8 bit immediate value of LDI insn. */
2702   BFD_RELOC_AVR_HI8_LDI_PM,
2703
2704 /* This is a 16 bit reloc for the AVR that stores 8 bit value (most high 8 bit
2705 of command address) into 8 bit immediate value of LDI insn. */
2706   BFD_RELOC_AVR_HH8_LDI_PM,
2707
2708 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2709 (usually command address) into 8 bit immediate value of SUBI insn. */
2710   BFD_RELOC_AVR_LO8_LDI_PM_NEG,
2711
2712 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2713 (high 8 bit of 16 bit command address) into 8 bit immediate value
2714 of SUBI insn. */
2715   BFD_RELOC_AVR_HI8_LDI_PM_NEG,
2716
2717 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2718 (high 6 bit of 22 bit command address) into 8 bit immediate
2719 value of SUBI insn. */
2720   BFD_RELOC_AVR_HH8_LDI_PM_NEG,
2721
2722 /* This is a 32 bit reloc for the AVR that stores 23 bit value
2723 into 22 bits. */
2724   BFD_RELOC_AVR_CALL,
2725
2726 /* Direct 12 bit. */
2727   BFD_RELOC_390_12,
2728
2729 /* 12 bit GOT offset. */
2730   BFD_RELOC_390_GOT12,
2731
2732 /* 32 bit PC relative PLT address. */
2733   BFD_RELOC_390_PLT32,
2734
2735 /* Copy symbol at runtime. */
2736   BFD_RELOC_390_COPY,
2737
2738 /* Create GOT entry. */
2739   BFD_RELOC_390_GLOB_DAT,
2740
2741 /* Create PLT entry. */
2742   BFD_RELOC_390_JMP_SLOT,
2743
2744 /* Adjust by program base. */
2745   BFD_RELOC_390_RELATIVE,
2746
2747 /* 32 bit PC relative offset to GOT. */
2748   BFD_RELOC_390_GOTPC,
2749
2750 /* 16 bit GOT offset. */
2751   BFD_RELOC_390_GOT16,
2752
2753 /* PC relative 16 bit shifted by 1. */
2754   BFD_RELOC_390_PC16DBL,
2755
2756 /* 16 bit PC rel. PLT shifted by 1. */
2757   BFD_RELOC_390_PLT16DBL,
2758
2759 /* PC relative 32 bit shifted by 1. */
2760   BFD_RELOC_390_PC32DBL,
2761
2762 /* 32 bit PC rel. PLT shifted by 1. */
2763   BFD_RELOC_390_PLT32DBL,
2764
2765 /* 32 bit PC rel. GOT shifted by 1. */
2766   BFD_RELOC_390_GOTPCDBL,
2767
2768 /* 64 bit GOT offset. */
2769   BFD_RELOC_390_GOT64,
2770
2771 /* 64 bit PC relative PLT address. */
2772   BFD_RELOC_390_PLT64,
2773
2774 /* 32 bit rel. offset to GOT entry. */
2775   BFD_RELOC_390_GOTENT,
2776
2777 /* These two relocations are used by the linker to determine which of
2778 the entries in a C++ virtual function table are actually used.  When
2779 the --gc-sections option is given, the linker will zero out the entries
2780 that are not used, so that the code for those functions need not be
2781 included in the output.
2782
2783 VTABLE_INHERIT is a zero-space relocation used to describe to the
2784 linker the inheritence tree of a C++ virtual function table.  The
2785 relocation's symbol should be the parent class' vtable, and the
2786 relocation should be located at the child vtable.
2787
2788 VTABLE_ENTRY is a zero-space relocation that describes the use of a
2789 virtual function table entry.  The reloc's symbol should refer to the
2790 table of the class mentioned in the code.  Off of that base, an offset
2791 describes the entry that is being used.  For Rela hosts, this offset
2792 is stored in the reloc's addend.  For Rel hosts, we are forced to put
2793 this offset in the reloc's section offset. */
2794   BFD_RELOC_VTABLE_INHERIT,
2795   BFD_RELOC_VTABLE_ENTRY,
2796
2797 /* Intel IA64 Relocations. */
2798   BFD_RELOC_IA64_IMM14,
2799   BFD_RELOC_IA64_IMM22,
2800   BFD_RELOC_IA64_IMM64,
2801   BFD_RELOC_IA64_DIR32MSB,
2802   BFD_RELOC_IA64_DIR32LSB,
2803   BFD_RELOC_IA64_DIR64MSB,
2804   BFD_RELOC_IA64_DIR64LSB,
2805   BFD_RELOC_IA64_GPREL22,
2806   BFD_RELOC_IA64_GPREL64I,
2807   BFD_RELOC_IA64_GPREL32MSB,
2808   BFD_RELOC_IA64_GPREL32LSB,
2809   BFD_RELOC_IA64_GPREL64MSB,
2810   BFD_RELOC_IA64_GPREL64LSB,
2811   BFD_RELOC_IA64_LTOFF22,
2812   BFD_RELOC_IA64_LTOFF64I,
2813   BFD_RELOC_IA64_PLTOFF22,
2814   BFD_RELOC_IA64_PLTOFF64I,
2815   BFD_RELOC_IA64_PLTOFF64MSB,
2816   BFD_RELOC_IA64_PLTOFF64LSB,
2817   BFD_RELOC_IA64_FPTR64I,
2818   BFD_RELOC_IA64_FPTR32MSB,
2819   BFD_RELOC_IA64_FPTR32LSB,
2820   BFD_RELOC_IA64_FPTR64MSB,
2821   BFD_RELOC_IA64_FPTR64LSB,
2822   BFD_RELOC_IA64_PCREL21B,
2823   BFD_RELOC_IA64_PCREL21BI,
2824   BFD_RELOC_IA64_PCREL21M,
2825   BFD_RELOC_IA64_PCREL21F,
2826   BFD_RELOC_IA64_PCREL22,
2827   BFD_RELOC_IA64_PCREL60B,
2828   BFD_RELOC_IA64_PCREL64I,
2829   BFD_RELOC_IA64_PCREL32MSB,
2830   BFD_RELOC_IA64_PCREL32LSB,
2831   BFD_RELOC_IA64_PCREL64MSB,
2832   BFD_RELOC_IA64_PCREL64LSB,
2833   BFD_RELOC_IA64_LTOFF_FPTR22,
2834   BFD_RELOC_IA64_LTOFF_FPTR64I,
2835   BFD_RELOC_IA64_LTOFF_FPTR32MSB,
2836   BFD_RELOC_IA64_LTOFF_FPTR32LSB,
2837   BFD_RELOC_IA64_LTOFF_FPTR64MSB,
2838   BFD_RELOC_IA64_LTOFF_FPTR64LSB,
2839   BFD_RELOC_IA64_SEGREL32MSB,
2840   BFD_RELOC_IA64_SEGREL32LSB,
2841   BFD_RELOC_IA64_SEGREL64MSB,
2842   BFD_RELOC_IA64_SEGREL64LSB,
2843   BFD_RELOC_IA64_SECREL32MSB,
2844   BFD_RELOC_IA64_SECREL32LSB,
2845   BFD_RELOC_IA64_SECREL64MSB,
2846   BFD_RELOC_IA64_SECREL64LSB,
2847   BFD_RELOC_IA64_REL32MSB,
2848   BFD_RELOC_IA64_REL32LSB,
2849   BFD_RELOC_IA64_REL64MSB,
2850   BFD_RELOC_IA64_REL64LSB,
2851   BFD_RELOC_IA64_LTV32MSB,
2852   BFD_RELOC_IA64_LTV32LSB,
2853   BFD_RELOC_IA64_LTV64MSB,
2854   BFD_RELOC_IA64_LTV64LSB,
2855   BFD_RELOC_IA64_IPLTMSB,
2856   BFD_RELOC_IA64_IPLTLSB,
2857   BFD_RELOC_IA64_COPY,
2858   BFD_RELOC_IA64_TPREL22,
2859   BFD_RELOC_IA64_TPREL64MSB,
2860   BFD_RELOC_IA64_TPREL64LSB,
2861   BFD_RELOC_IA64_LTOFF_TP22,
2862   BFD_RELOC_IA64_LTOFF22X,
2863   BFD_RELOC_IA64_LDXMOV,
2864
2865 /* Motorola 68HC11 reloc.
2866 This is the 8 bits high part of an absolute address. */
2867   BFD_RELOC_M68HC11_HI8,
2868
2869 /* Motorola 68HC11 reloc.
2870 This is the 8 bits low part of an absolute address. */
2871   BFD_RELOC_M68HC11_LO8,
2872
2873 /* Motorola 68HC11 reloc.
2874 This is the 3 bits of a value. */
2875   BFD_RELOC_M68HC11_3B,
2876
2877 /* These relocs are only used within the CRIS assembler.  They are not
2878 (at present) written to any object files. */
2879   BFD_RELOC_CRIS_BDISP8,
2880   BFD_RELOC_CRIS_UNSIGNED_5,
2881   BFD_RELOC_CRIS_SIGNED_6,
2882   BFD_RELOC_CRIS_UNSIGNED_6,
2883   BFD_RELOC_CRIS_UNSIGNED_4,
2884
2885 /* Relocs used in ELF shared libraries for CRIS. */
2886   BFD_RELOC_CRIS_COPY,
2887   BFD_RELOC_CRIS_GLOB_DAT,
2888   BFD_RELOC_CRIS_JUMP_SLOT,
2889   BFD_RELOC_CRIS_RELATIVE,
2890
2891 /* 32-bit offset to symbol-entry within GOT. */
2892   BFD_RELOC_CRIS_32_GOT,
2893
2894 /* 16-bit offset to symbol-entry within GOT. */
2895   BFD_RELOC_CRIS_16_GOT,
2896
2897 /* 32-bit offset to symbol-entry within GOT, with PLT handling. */
2898   BFD_RELOC_CRIS_32_GOTPLT,
2899
2900 /* 16-bit offset to symbol-entry within GOT, with PLT handling. */
2901   BFD_RELOC_CRIS_16_GOTPLT,
2902
2903 /* 32-bit offset to symbol, relative to GOT. */
2904   BFD_RELOC_CRIS_32_GOTREL,
2905
2906 /* 32-bit offset to symbol with PLT entry, relative to GOT. */
2907   BFD_RELOC_CRIS_32_PLT_GOTREL,
2908
2909 /* 32-bit offset to symbol with PLT entry, relative to this relocation. */
2910   BFD_RELOC_CRIS_32_PLT_PCREL,
2911
2912 /* Intel i860 Relocations. */
2913   BFD_RELOC_860_COPY,
2914   BFD_RELOC_860_GLOB_DAT,
2915   BFD_RELOC_860_JUMP_SLOT,
2916   BFD_RELOC_860_RELATIVE,
2917   BFD_RELOC_860_PC26,
2918   BFD_RELOC_860_PLT26,
2919   BFD_RELOC_860_PC16,
2920   BFD_RELOC_860_LOW0,
2921   BFD_RELOC_860_SPLIT0,
2922   BFD_RELOC_860_LOW1,
2923   BFD_RELOC_860_SPLIT1,
2924   BFD_RELOC_860_LOW2,
2925   BFD_RELOC_860_SPLIT2,
2926   BFD_RELOC_860_LOW3,
2927   BFD_RELOC_860_LOGOT0,
2928   BFD_RELOC_860_SPGOT0,
2929   BFD_RELOC_860_LOGOT1,
2930   BFD_RELOC_860_SPGOT1,
2931   BFD_RELOC_860_LOGOTOFF0,
2932   BFD_RELOC_860_SPGOTOFF0,
2933   BFD_RELOC_860_LOGOTOFF1,
2934   BFD_RELOC_860_SPGOTOFF1,
2935   BFD_RELOC_860_LOGOTOFF2,
2936   BFD_RELOC_860_LOGOTOFF3,
2937   BFD_RELOC_860_LOPC,
2938   BFD_RELOC_860_HIGHADJ,
2939   BFD_RELOC_860_HAGOT,
2940   BFD_RELOC_860_HAGOTOFF,
2941   BFD_RELOC_860_HAPC,
2942   BFD_RELOC_860_HIGH,
2943   BFD_RELOC_860_HIGOT,
2944   BFD_RELOC_860_HIGOTOFF,
2945
2946 /* OpenRISC Relocations. */
2947   BFD_RELOC_OPENRISC_ABS_26,
2948   BFD_RELOC_OPENRISC_REL_26,
2949
2950 /* H8 elf Relocations. */
2951   BFD_RELOC_H8_DIR16A8,
2952   BFD_RELOC_H8_DIR16R8,
2953   BFD_RELOC_H8_DIR24A8,
2954   BFD_RELOC_H8_DIR24R8,
2955   BFD_RELOC_H8_DIR32A16,
2956
2957 /* Sony Xstormy16 Relocations. */
2958   BFD_RELOC_XSTORMY16_REL_12,
2959   BFD_RELOC_XSTORMY16_24,
2960   BFD_RELOC_XSTORMY16_FPTR16,
2961   BFD_RELOC_UNUSED };
2962 typedef enum bfd_reloc_code_real bfd_reloc_code_real_type;
2963 reloc_howto_type *
2964 bfd_reloc_type_lookup PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
2965
2966 const char *
2967 bfd_get_reloc_code_name PARAMS ((bfd_reloc_code_real_type code));
2968
2969
2970 typedef struct symbol_cache_entry
2971 {
2972        /* A pointer to the BFD which owns the symbol. This information
2973           is necessary so that a back end can work out what additional
2974           information (invisible to the application writer) is carried
2975           with the symbol.
2976
2977           This field is *almost* redundant, since you can use section->owner
2978           instead, except that some symbols point to the global sections
2979           bfd_{abs,com,und}_section.  This could be fixed by making
2980           these globals be per-bfd (or per-target-flavor).  FIXME. */
2981
2982   struct _bfd *the_bfd; /* Use bfd_asymbol_bfd(sym) to access this field. */
2983
2984        /* The text of the symbol. The name is left alone, and not copied; the
2985           application may not alter it. */
2986   const char *name;
2987
2988        /* The value of the symbol.  This really should be a union of a
2989           numeric value with a pointer, since some flags indicate that
2990           a pointer to another symbol is stored here.  */
2991   symvalue value;
2992
2993        /* Attributes of a symbol: */
2994
2995 #define BSF_NO_FLAGS    0x00
2996
2997        /* The symbol has local scope; <<static>> in <<C>>. The value
2998           is the offset into the section of the data. */
2999 #define BSF_LOCAL      0x01
3000
3001        /* The symbol has global scope; initialized data in <<C>>. The
3002           value is the offset into the section of the data. */
3003 #define BSF_GLOBAL     0x02
3004
3005        /* The symbol has global scope and is exported. The value is
3006           the offset into the section of the data. */
3007 #define BSF_EXPORT     BSF_GLOBAL /* no real difference */
3008
3009        /* A normal C symbol would be one of:
3010           <<BSF_LOCAL>>, <<BSF_FORT_COMM>>,  <<BSF_UNDEFINED>> or
3011           <<BSF_GLOBAL>> */
3012
3013        /* The symbol is a debugging record. The value has an arbitary
3014           meaning, unless BSF_DEBUGGING_RELOC is also set.  */
3015 #define BSF_DEBUGGING  0x08
3016
3017        /* The symbol denotes a function entry point.  Used in ELF,
3018           perhaps others someday.  */
3019 #define BSF_FUNCTION    0x10
3020
3021        /* Used by the linker. */
3022 #define BSF_KEEP        0x20
3023 #define BSF_KEEP_G      0x40
3024
3025        /* A weak global symbol, overridable without warnings by
3026           a regular global symbol of the same name.  */
3027 #define BSF_WEAK        0x80
3028
3029        /* This symbol was created to point to a section, e.g. ELF's
3030           STT_SECTION symbols.  */
3031 #define BSF_SECTION_SYM 0x100
3032
3033        /* The symbol used to be a common symbol, but now it is
3034           allocated. */
3035 #define BSF_OLD_COMMON  0x200
3036
3037        /* The default value for common data. */
3038 #define BFD_FORT_COMM_DEFAULT_VALUE 0
3039
3040        /* In some files the type of a symbol sometimes alters its
3041           location in an output file - ie in coff a <<ISFCN>> symbol
3042           which is also <<C_EXT>> symbol appears where it was
3043           declared and not at the end of a section.  This bit is set
3044           by the target BFD part to convey this information. */
3045
3046 #define BSF_NOT_AT_END    0x400
3047
3048        /* Signal that the symbol is the label of constructor section. */
3049 #define BSF_CONSTRUCTOR   0x800
3050
3051        /* Signal that the symbol is a warning symbol.  The name is a
3052           warning.  The name of the next symbol is the one to warn about;
3053           if a reference is made to a symbol with the same name as the next
3054           symbol, a warning is issued by the linker. */
3055 #define BSF_WARNING       0x1000
3056
3057        /* Signal that the symbol is indirect.  This symbol is an indirect
3058           pointer to the symbol with the same name as the next symbol. */
3059 #define BSF_INDIRECT      0x2000
3060
3061        /* BSF_FILE marks symbols that contain a file name.  This is used
3062           for ELF STT_FILE symbols.  */
3063 #define BSF_FILE          0x4000
3064
3065        /* Symbol is from dynamic linking information.  */
3066 #define BSF_DYNAMIC       0x8000
3067
3068        /* The symbol denotes a data object.  Used in ELF, and perhaps
3069           others someday.  */
3070 #define BSF_OBJECT        0x10000
3071
3072        /* This symbol is a debugging symbol.  The value is the offset
3073           into the section of the data.  BSF_DEBUGGING should be set
3074           as well.  */
3075 #define BSF_DEBUGGING_RELOC 0x20000
3076
3077   flagword flags;
3078
3079        /* A pointer to the section to which this symbol is
3080           relative.  This will always be non NULL, there are special
3081           sections for undefined and absolute symbols.  */
3082   struct sec *section;
3083
3084        /* Back end special data.  */
3085   union
3086     {
3087       PTR p;
3088       bfd_vma i;
3089     } udata;
3090
3091 } asymbol;
3092 #define bfd_get_symtab_upper_bound(abfd) \
3093      BFD_SEND (abfd, _bfd_get_symtab_upper_bound, (abfd))
3094 boolean
3095 bfd_is_local_label PARAMS ((bfd *abfd, asymbol *sym));
3096
3097 boolean
3098 bfd_is_local_label_name PARAMS ((bfd *abfd, const char *name));
3099
3100 #define bfd_is_local_label_name(abfd, name) \
3101      BFD_SEND (abfd, _bfd_is_local_label_name, (abfd, name))
3102 #define bfd_canonicalize_symtab(abfd, location) \
3103      BFD_SEND (abfd, _bfd_canonicalize_symtab,\
3104                   (abfd, location))
3105 boolean
3106 bfd_set_symtab PARAMS ((bfd *abfd, asymbol **location, unsigned int count));
3107
3108 void
3109 bfd_print_symbol_vandf PARAMS ((bfd *abfd, PTR file, asymbol *symbol));
3110
3111 #define bfd_make_empty_symbol(abfd) \
3112      BFD_SEND (abfd, _bfd_make_empty_symbol, (abfd))
3113 asymbol *
3114 _bfd_generic_make_empty_symbol PARAMS ((bfd *));
3115
3116 #define bfd_make_debug_symbol(abfd,ptr,size) \
3117         BFD_SEND (abfd, _bfd_make_debug_symbol, (abfd, ptr, size))
3118 int
3119 bfd_decode_symclass PARAMS ((asymbol *symbol));
3120
3121 boolean
3122 bfd_is_undefined_symclass PARAMS ((int symclass));
3123
3124 void
3125 bfd_symbol_info PARAMS ((asymbol *symbol, symbol_info *ret));
3126
3127 boolean
3128 bfd_copy_private_symbol_data PARAMS ((bfd *ibfd, asymbol *isym, bfd *obfd, asymbol *osym));
3129
3130 #define bfd_copy_private_symbol_data(ibfd, isymbol, obfd, osymbol) \
3131      BFD_SEND (obfd, _bfd_copy_private_symbol_data, \
3132                (ibfd, isymbol, obfd, osymbol))
3133 struct _bfd
3134 {
3135     /* The filename the application opened the BFD with.  */
3136     const char *filename;
3137
3138     /* A pointer to the target jump table.             */
3139     const struct bfd_target *xvec;
3140
3141     /* To avoid dragging too many header files into every file that
3142        includes `<<bfd.h>>', IOSTREAM has been declared as a "char
3143        *", and MTIME as a "long".  Their correct types, to which they
3144        are cast when used, are "FILE *" and "time_t".    The iostream
3145        is the result of an fopen on the filename.  However, if the
3146        BFD_IN_MEMORY flag is set, then iostream is actually a pointer
3147        to a bfd_in_memory struct.  */
3148     PTR iostream;
3149
3150     /* Is the file descriptor being cached?  That is, can it be closed as
3151        needed, and re-opened when accessed later?  */
3152
3153     boolean cacheable;
3154
3155     /* Marks whether there was a default target specified when the
3156        BFD was opened. This is used to select which matching algorithm
3157        to use to choose the back end. */
3158
3159     boolean target_defaulted;
3160
3161     /* The caching routines use these to maintain a
3162        least-recently-used list of BFDs */
3163
3164     struct _bfd *lru_prev, *lru_next;
3165
3166     /* When a file is closed by the caching routines, BFD retains
3167        state information on the file here: */
3168
3169     ufile_ptr where;
3170
3171     /* and here: (``once'' means at least once) */
3172
3173     boolean opened_once;
3174
3175     /* Set if we have a locally maintained mtime value, rather than
3176        getting it from the file each time: */
3177
3178     boolean mtime_set;
3179
3180     /* File modified time, if mtime_set is true: */
3181
3182     long mtime;
3183
3184     /* Reserved for an unimplemented file locking extension.*/
3185
3186     int ifd;
3187
3188     /* The format which belongs to the BFD. (object, core, etc.) */
3189
3190     bfd_format format;
3191
3192     /* The direction the BFD was opened with*/
3193
3194     enum bfd_direction {no_direction = 0,
3195                         read_direction = 1,
3196                         write_direction = 2,
3197                         both_direction = 3} direction;
3198
3199     /* Format_specific flags*/
3200
3201     flagword flags;
3202
3203     /* Currently my_archive is tested before adding origin to
3204        anything. I believe that this can become always an add of
3205        origin, with origin set to 0 for non archive files.   */
3206
3207     ufile_ptr origin;
3208
3209     /* Remember when output has begun, to stop strange things
3210        from happening. */
3211     boolean output_has_begun;
3212
3213     /* A hash table for section names. */
3214     struct bfd_hash_table section_htab;
3215
3216     /* Pointer to linked list of sections. */
3217     struct sec *sections;
3218
3219     /* The place where we add to the section list. */
3220     struct sec **section_tail;
3221
3222     /* The number of sections */
3223     unsigned int section_count;
3224
3225     /* Stuff only useful for object files:
3226        The start address. */
3227     bfd_vma start_address;
3228
3229     /* Used for input and output*/
3230     unsigned int symcount;
3231
3232     /* Symbol table for output BFD (with symcount entries) */
3233     struct symbol_cache_entry  **outsymbols;
3234
3235     /* Pointer to structure which contains architecture information*/
3236     const struct bfd_arch_info *arch_info;
3237
3238     /* Stuff only useful for archives:*/
3239     PTR arelt_data;
3240     struct _bfd *my_archive;     /* The containing archive BFD.  */
3241     struct _bfd *next;           /* The next BFD in the archive.  */
3242     struct _bfd *archive_head;   /* The first BFD in the archive.  */
3243     boolean has_armap;
3244
3245     /* A chain of BFD structures involved in a link.  */
3246     struct _bfd *link_next;
3247
3248     /* A field used by _bfd_generic_link_add_archive_symbols.  This will
3249        be used only for archive elements.  */
3250     int archive_pass;
3251
3252     /* Used by the back end to hold private data. */
3253
3254     union
3255       {
3256       struct aout_data_struct *aout_data;
3257       struct artdata *aout_ar_data;
3258       struct _oasys_data *oasys_obj_data;
3259       struct _oasys_ar_data *oasys_ar_data;
3260       struct coff_tdata *coff_obj_data;
3261       struct pe_tdata *pe_obj_data;
3262       struct xcoff_tdata *xcoff_obj_data;
3263       struct ecoff_tdata *ecoff_obj_data;
3264       struct ieee_data_struct *ieee_data;
3265       struct ieee_ar_data_struct *ieee_ar_data;
3266       struct srec_data_struct *srec_data;
3267       struct ihex_data_struct *ihex_data;
3268       struct tekhex_data_struct *tekhex_data;
3269       struct elf_obj_tdata *elf_obj_data;
3270       struct nlm_obj_tdata *nlm_obj_data;
3271       struct bout_data_struct *bout_data;
3272       struct mmo_data_struct *mmo_data;
3273       struct sun_core_struct *sun_core_data;
3274       struct sco5_core_struct *sco5_core_data;
3275       struct trad_core_struct *trad_core_data;
3276       struct som_data_struct *som_data;
3277       struct hpux_core_struct *hpux_core_data;
3278       struct hppabsd_core_struct *hppabsd_core_data;
3279       struct sgi_core_struct *sgi_core_data;
3280       struct lynx_core_struct *lynx_core_data;
3281       struct osf_core_struct *osf_core_data;
3282       struct cisco_core_struct *cisco_core_data;
3283       struct versados_data_struct *versados_data;
3284       struct netbsd_core_struct *netbsd_core_data;
3285       PTR any;
3286       } tdata;
3287
3288     /* Used by the application to hold private data*/
3289     PTR usrdata;
3290
3291   /* Where all the allocated stuff under this BFD goes.  This is a
3292      struct objalloc *, but we use PTR to avoid requiring the inclusion of
3293      objalloc.h.  */
3294     PTR memory;
3295 };
3296
3297 typedef enum bfd_error
3298 {
3299   bfd_error_no_error = 0,
3300   bfd_error_system_call,
3301   bfd_error_invalid_target,
3302   bfd_error_wrong_format,
3303   bfd_error_wrong_object_format,
3304   bfd_error_invalid_operation,
3305   bfd_error_no_memory,
3306   bfd_error_no_symbols,
3307   bfd_error_no_armap,
3308   bfd_error_no_more_archived_files,
3309   bfd_error_malformed_archive,
3310   bfd_error_file_not_recognized,
3311   bfd_error_file_ambiguously_recognized,
3312   bfd_error_no_contents,
3313   bfd_error_nonrepresentable_section,
3314   bfd_error_no_debug_section,
3315   bfd_error_bad_value,
3316   bfd_error_file_truncated,
3317   bfd_error_file_too_big,
3318   bfd_error_invalid_error_code
3319 } bfd_error_type;
3320
3321 bfd_error_type
3322 bfd_get_error PARAMS ((void));
3323
3324 void
3325 bfd_set_error PARAMS ((bfd_error_type error_tag));
3326
3327 const char *
3328 bfd_errmsg PARAMS ((bfd_error_type error_tag));
3329
3330 void
3331 bfd_perror PARAMS ((const char *message));
3332
3333 typedef void (*bfd_error_handler_type) PARAMS ((const char *, ...));
3334
3335 bfd_error_handler_type
3336 bfd_set_error_handler PARAMS ((bfd_error_handler_type));
3337
3338 void
3339 bfd_set_error_program_name PARAMS ((const char *));
3340
3341 bfd_error_handler_type
3342 bfd_get_error_handler PARAMS ((void));
3343
3344 const char *
3345 bfd_archive_filename PARAMS ((bfd *));
3346
3347 long
3348 bfd_get_reloc_upper_bound PARAMS ((bfd *abfd, asection *sect));
3349
3350 long
3351 bfd_canonicalize_reloc PARAMS ((bfd *abfd,
3352     asection *sec,
3353     arelent **loc,
3354     asymbol **syms));
3355
3356 void
3357 bfd_set_reloc PARAMS ((bfd *abfd, asection *sec, arelent **rel, unsigned int count)
3358
3359     );
3360
3361 boolean
3362 bfd_set_file_flags PARAMS ((bfd *abfd, flagword flags));
3363
3364 int
3365 bfd_get_arch_size PARAMS ((bfd *abfd));
3366
3367 int
3368 bfd_get_sign_extend_vma PARAMS ((bfd *abfd));
3369
3370 boolean
3371 bfd_set_start_address PARAMS ((bfd *abfd, bfd_vma vma));
3372
3373 long
3374 bfd_get_mtime PARAMS ((bfd *abfd));
3375
3376 long
3377 bfd_get_size PARAMS ((bfd *abfd));
3378
3379 unsigned int
3380 bfd_get_gp_size PARAMS ((bfd *abfd));
3381
3382 void
3383 bfd_set_gp_size PARAMS ((bfd *abfd, unsigned int i));
3384
3385 bfd_vma
3386 bfd_scan_vma PARAMS ((const char *string, const char **end, int base));
3387
3388 boolean
3389 bfd_copy_private_bfd_data PARAMS ((bfd *ibfd, bfd *obfd));
3390
3391 #define bfd_copy_private_bfd_data(ibfd, obfd) \
3392      BFD_SEND (obfd, _bfd_copy_private_bfd_data, \
3393                (ibfd, obfd))
3394 boolean
3395 bfd_merge_private_bfd_data PARAMS ((bfd *ibfd, bfd *obfd));
3396
3397 #define bfd_merge_private_bfd_data(ibfd, obfd) \
3398      BFD_SEND (obfd, _bfd_merge_private_bfd_data, \
3399                (ibfd, obfd))
3400 boolean
3401 bfd_set_private_flags PARAMS ((bfd *abfd, flagword flags));
3402
3403 #define bfd_set_private_flags(abfd, flags) \
3404      BFD_SEND (abfd, _bfd_set_private_flags, \
3405                (abfd, flags))
3406 #define bfd_sizeof_headers(abfd, reloc) \
3407      BFD_SEND (abfd, _bfd_sizeof_headers, (abfd, reloc))
3408
3409 #define bfd_find_nearest_line(abfd, sec, syms, off, file, func, line) \
3410      BFD_SEND (abfd, _bfd_find_nearest_line,  (abfd, sec, syms, off, file, func, line))
3411
3412        /* Do these three do anything useful at all, for any back end?  */
3413 #define bfd_debug_info_start(abfd) \
3414         BFD_SEND (abfd, _bfd_debug_info_start, (abfd))
3415
3416 #define bfd_debug_info_end(abfd) \
3417         BFD_SEND (abfd, _bfd_debug_info_end, (abfd))
3418
3419 #define bfd_debug_info_accumulate(abfd, section) \
3420         BFD_SEND (abfd, _bfd_debug_info_accumulate, (abfd, section))
3421
3422
3423 #define bfd_stat_arch_elt(abfd, stat) \
3424         BFD_SEND (abfd, _bfd_stat_arch_elt,(abfd, stat))
3425
3426 #define bfd_update_armap_timestamp(abfd) \
3427         BFD_SEND (abfd, _bfd_update_armap_timestamp, (abfd))
3428
3429 #define bfd_set_arch_mach(abfd, arch, mach)\
3430         BFD_SEND ( abfd, _bfd_set_arch_mach, (abfd, arch, mach))
3431
3432 #define bfd_relax_section(abfd, section, link_info, again) \
3433        BFD_SEND (abfd, _bfd_relax_section, (abfd, section, link_info, again))
3434
3435 #define bfd_gc_sections(abfd, link_info) \
3436        BFD_SEND (abfd, _bfd_gc_sections, (abfd, link_info))
3437
3438 #define bfd_merge_sections(abfd, link_info) \
3439        BFD_SEND (abfd, _bfd_merge_sections, (abfd, link_info))
3440
3441 #define bfd_link_hash_table_create(abfd) \
3442        BFD_SEND (abfd, _bfd_link_hash_table_create, (abfd))
3443
3444 #define bfd_link_add_symbols(abfd, info) \
3445        BFD_SEND (abfd, _bfd_link_add_symbols, (abfd, info))
3446
3447 #define bfd_final_link(abfd, info) \
3448        BFD_SEND (abfd, _bfd_final_link, (abfd, info))
3449
3450 #define bfd_free_cached_info(abfd) \
3451        BFD_SEND (abfd, _bfd_free_cached_info, (abfd))
3452
3453 #define bfd_get_dynamic_symtab_upper_bound(abfd) \
3454        BFD_SEND (abfd, _bfd_get_dynamic_symtab_upper_bound, (abfd))
3455
3456 #define bfd_print_private_bfd_data(abfd, file)\
3457        BFD_SEND (abfd, _bfd_print_private_bfd_data, (abfd, file))
3458
3459 #define bfd_canonicalize_dynamic_symtab(abfd, asymbols) \
3460        BFD_SEND (abfd, _bfd_canonicalize_dynamic_symtab, (abfd, asymbols))
3461
3462 #define bfd_get_dynamic_reloc_upper_bound(abfd) \
3463        BFD_SEND (abfd, _bfd_get_dynamic_reloc_upper_bound, (abfd))
3464
3465 #define bfd_canonicalize_dynamic_reloc(abfd, arels, asyms) \
3466        BFD_SEND (abfd, _bfd_canonicalize_dynamic_reloc, (abfd, arels, asyms))
3467
3468 extern bfd_byte *bfd_get_relocated_section_contents
3469        PARAMS ((bfd *, struct bfd_link_info *,
3470                  struct bfd_link_order *, bfd_byte *,
3471                  boolean, asymbol **));
3472
3473 boolean
3474 bfd_alt_mach_code PARAMS ((bfd *abfd, int index));
3475
3476 symindex
3477 bfd_get_next_mapent PARAMS ((bfd *abfd, symindex previous, carsym **sym));
3478
3479 boolean
3480 bfd_set_archive_head PARAMS ((bfd *output, bfd *new_head));
3481
3482 bfd *
3483 bfd_openr_next_archived_file PARAMS ((bfd *archive, bfd *previous));
3484
3485 const char *
3486 bfd_core_file_failing_command PARAMS ((bfd *abfd));
3487
3488 int
3489 bfd_core_file_failing_signal PARAMS ((bfd *abfd));
3490
3491 boolean
3492 core_file_matches_executable_p PARAMS ((bfd *core_bfd, bfd *exec_bfd));
3493
3494 #define BFD_SEND(bfd, message, arglist) \
3495                ((*((bfd)->xvec->message)) arglist)
3496
3497 #ifdef DEBUG_BFD_SEND
3498 #undef BFD_SEND
3499 #define BFD_SEND(bfd, message, arglist) \
3500   (((bfd) && (bfd)->xvec && (bfd)->xvec->message) ? \
3501     ((*((bfd)->xvec->message)) arglist) : \
3502     (bfd_assert (__FILE__,__LINE__), NULL))
3503 #endif
3504 #define BFD_SEND_FMT(bfd, message, arglist) \
3505             (((bfd)->xvec->message[(int) ((bfd)->format)]) arglist)
3506
3507 #ifdef DEBUG_BFD_SEND
3508 #undef BFD_SEND_FMT
3509 #define BFD_SEND_FMT(bfd, message, arglist) \
3510   (((bfd) && (bfd)->xvec && (bfd)->xvec->message) ? \
3511    (((bfd)->xvec->message[(int) ((bfd)->format)]) arglist) : \
3512    (bfd_assert (__FILE__,__LINE__), NULL))
3513 #endif
3514 enum bfd_flavour {
3515   bfd_target_unknown_flavour,
3516   bfd_target_aout_flavour,
3517   bfd_target_coff_flavour,
3518   bfd_target_ecoff_flavour,
3519   bfd_target_xcoff_flavour,
3520   bfd_target_elf_flavour,
3521   bfd_target_ieee_flavour,
3522   bfd_target_nlm_flavour,
3523   bfd_target_oasys_flavour,
3524   bfd_target_tekhex_flavour,
3525   bfd_target_srec_flavour,
3526   bfd_target_ihex_flavour,
3527   bfd_target_som_flavour,
3528   bfd_target_os9k_flavour,
3529   bfd_target_versados_flavour,
3530   bfd_target_msdos_flavour,
3531   bfd_target_ovax_flavour,
3532   bfd_target_evax_flavour,
3533   bfd_target_mmo_flavour
3534 };
3535
3536 enum bfd_endian { BFD_ENDIAN_BIG, BFD_ENDIAN_LITTLE, BFD_ENDIAN_UNKNOWN };
3537
3538 /* Forward declaration.  */
3539 typedef struct bfd_link_info _bfd_link_info;
3540
3541 typedef struct bfd_target
3542 {
3543   char *name;
3544   enum bfd_flavour flavour;
3545   enum bfd_endian byteorder;
3546   enum bfd_endian header_byteorder;
3547   flagword object_flags;
3548   flagword section_flags;
3549   char symbol_leading_char;
3550   char ar_pad_char;
3551   unsigned short ar_max_namelen;
3552   bfd_vma        (*bfd_getx64) PARAMS ((const bfd_byte *));
3553   bfd_signed_vma (*bfd_getx_signed_64) PARAMS ((const bfd_byte *));
3554   void           (*bfd_putx64) PARAMS ((bfd_vma, bfd_byte *));
3555   bfd_vma        (*bfd_getx32) PARAMS ((const bfd_byte *));
3556   bfd_signed_vma (*bfd_getx_signed_32) PARAMS ((const bfd_byte *));
3557   void           (*bfd_putx32) PARAMS ((bfd_vma, bfd_byte *));
3558   bfd_vma        (*bfd_getx16) PARAMS ((const bfd_byte *));
3559   bfd_signed_vma (*bfd_getx_signed_16) PARAMS ((const bfd_byte *));
3560   void           (*bfd_putx16) PARAMS ((bfd_vma, bfd_byte *));
3561   bfd_vma        (*bfd_h_getx64) PARAMS ((const bfd_byte *));
3562   bfd_signed_vma (*bfd_h_getx_signed_64) PARAMS ((const bfd_byte *));
3563   void           (*bfd_h_putx64) PARAMS ((bfd_vma, bfd_byte *));
3564   bfd_vma        (*bfd_h_getx32) PARAMS ((const bfd_byte *));
3565   bfd_signed_vma (*bfd_h_getx_signed_32) PARAMS ((const bfd_byte *));
3566   void           (*bfd_h_putx32) PARAMS ((bfd_vma, bfd_byte *));
3567   bfd_vma        (*bfd_h_getx16) PARAMS ((const bfd_byte *));
3568   bfd_signed_vma (*bfd_h_getx_signed_16) PARAMS ((const bfd_byte *));
3569   void           (*bfd_h_putx16) PARAMS ((bfd_vma, bfd_byte *));
3570   const struct bfd_target *(*_bfd_check_format[bfd_type_end]) PARAMS ((bfd *));
3571   boolean  (*_bfd_set_format[bfd_type_end]) PARAMS ((bfd *));
3572   boolean  (*_bfd_write_contents[bfd_type_end]) PARAMS ((bfd *));
3573
3574   /* Generic entry points.  */
3575 #define BFD_JUMP_TABLE_GENERIC(NAME) \
3576 CONCAT2 (NAME,_close_and_cleanup), \
3577 CONCAT2 (NAME,_bfd_free_cached_info), \
3578 CONCAT2 (NAME,_new_section_hook), \
3579 CONCAT2 (NAME,_get_section_contents), \
3580 CONCAT2 (NAME,_get_section_contents_in_window)
3581
3582   /* Called when the BFD is being closed to do any necessary cleanup.  */
3583   boolean  (*_close_and_cleanup) PARAMS ((bfd *));
3584   /* Ask the BFD to free all cached information.  */
3585   boolean  (*_bfd_free_cached_info) PARAMS ((bfd *));
3586   /* Called when a new section is created.  */
3587   boolean  (*_new_section_hook) PARAMS ((bfd *, sec_ptr));
3588   /* Read the contents of a section.  */
3589   boolean  (*_bfd_get_section_contents) PARAMS ((bfd *, sec_ptr, PTR,
3590                                                  file_ptr, bfd_size_type));
3591   boolean  (*_bfd_get_section_contents_in_window)
3592     PARAMS ((bfd *, sec_ptr, bfd_window *, file_ptr, bfd_size_type));
3593
3594   /* Entry points to copy private data.  */
3595 #define BFD_JUMP_TABLE_COPY(NAME) \
3596 CONCAT2 (NAME,_bfd_copy_private_bfd_data), \
3597 CONCAT2 (NAME,_bfd_merge_private_bfd_data), \
3598 CONCAT2 (NAME,_bfd_copy_private_section_data), \
3599 CONCAT2 (NAME,_bfd_copy_private_symbol_data), \
3600 CONCAT2 (NAME,_bfd_set_private_flags), \
3601 CONCAT2 (NAME,_bfd_print_private_bfd_data) \
3602   /* Called to copy BFD general private data from one object file
3603      to another.  */
3604   boolean  (*_bfd_copy_private_bfd_data) PARAMS ((bfd *, bfd *));
3605   /* Called to merge BFD general private data from one object file
3606      to a common output file when linking.  */
3607   boolean  (*_bfd_merge_private_bfd_data) PARAMS ((bfd *, bfd *));
3608   /* Called to copy BFD private section data from one object file
3609      to another.  */
3610   boolean  (*_bfd_copy_private_section_data) PARAMS ((bfd *, sec_ptr,
3611                                                       bfd *, sec_ptr));
3612   /* Called to copy BFD private symbol data from one symbol
3613      to another.  */
3614   boolean  (*_bfd_copy_private_symbol_data) PARAMS ((bfd *, asymbol *,
3615                                                      bfd *, asymbol *));
3616   /* Called to set private backend flags */
3617   boolean  (*_bfd_set_private_flags) PARAMS ((bfd *, flagword));
3618
3619   /* Called to print private BFD data */
3620   boolean  (*_bfd_print_private_bfd_data) PARAMS ((bfd *, PTR));
3621
3622   /* Core file entry points.  */
3623 #define BFD_JUMP_TABLE_CORE(NAME) \
3624 CONCAT2 (NAME,_core_file_failing_command), \
3625 CONCAT2 (NAME,_core_file_failing_signal), \
3626 CONCAT2 (NAME,_core_file_matches_executable_p)
3627   char *   (*_core_file_failing_command) PARAMS ((bfd *));
3628   int      (*_core_file_failing_signal) PARAMS ((bfd *));
3629   boolean  (*_core_file_matches_executable_p) PARAMS ((bfd *, bfd *));
3630
3631   /* Archive entry points.  */
3632 #define BFD_JUMP_TABLE_ARCHIVE(NAME) \
3633 CONCAT2 (NAME,_slurp_armap), \
3634 CONCAT2 (NAME,_slurp_extended_name_table), \
3635 CONCAT2 (NAME,_construct_extended_name_table), \
3636 CONCAT2 (NAME,_truncate_arname), \
3637 CONCAT2 (NAME,_write_armap), \
3638 CONCAT2 (NAME,_read_ar_hdr), \
3639 CONCAT2 (NAME,_openr_next_archived_file), \
3640 CONCAT2 (NAME,_get_elt_at_index), \
3641 CONCAT2 (NAME,_generic_stat_arch_elt), \
3642 CONCAT2 (NAME,_update_armap_timestamp)
3643   boolean  (*_bfd_slurp_armap) PARAMS ((bfd *));
3644   boolean  (*_bfd_slurp_extended_name_table) PARAMS ((bfd *));
3645   boolean  (*_bfd_construct_extended_name_table)
3646     PARAMS ((bfd *, char **, bfd_size_type *, const char **));
3647   void     (*_bfd_truncate_arname) PARAMS ((bfd *, const char *, char *));
3648   boolean  (*write_armap)
3649     PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int));
3650   PTR      (*_bfd_read_ar_hdr_fn) PARAMS ((bfd *));
3651   bfd *    (*openr_next_archived_file) PARAMS ((bfd *, bfd *));
3652 #define bfd_get_elt_at_index(b,i) BFD_SEND(b, _bfd_get_elt_at_index, (b,i))
3653   bfd *    (*_bfd_get_elt_at_index) PARAMS ((bfd *, symindex));
3654   int      (*_bfd_stat_arch_elt) PARAMS ((bfd *, struct stat *));
3655   boolean  (*_bfd_update_armap_timestamp) PARAMS ((bfd *));
3656
3657   /* Entry points used for symbols.  */
3658 #define BFD_JUMP_TABLE_SYMBOLS(NAME) \
3659 CONCAT2 (NAME,_get_symtab_upper_bound), \
3660 CONCAT2 (NAME,_get_symtab), \
3661 CONCAT2 (NAME,_make_empty_symbol), \
3662 CONCAT2 (NAME,_print_symbol), \
3663 CONCAT2 (NAME,_get_symbol_info), \
3664 CONCAT2 (NAME,_bfd_is_local_label_name), \
3665 CONCAT2 (NAME,_get_lineno), \
3666 CONCAT2 (NAME,_find_nearest_line), \
3667 CONCAT2 (NAME,_bfd_make_debug_symbol), \
3668 CONCAT2 (NAME,_read_minisymbols), \
3669 CONCAT2 (NAME,_minisymbol_to_symbol)
3670   long     (*_bfd_get_symtab_upper_bound) PARAMS ((bfd *));
3671   long     (*_bfd_canonicalize_symtab) PARAMS ((bfd *,
3672                                                 struct symbol_cache_entry **));
3673   struct symbol_cache_entry *
3674            (*_bfd_make_empty_symbol) PARAMS ((bfd *));
3675   void     (*_bfd_print_symbol) PARAMS ((bfd *, PTR,
3676                                          struct symbol_cache_entry *,
3677                                          bfd_print_symbol_type));
3678 #define bfd_print_symbol(b,p,s,e) BFD_SEND(b, _bfd_print_symbol, (b,p,s,e))
3679   void     (*_bfd_get_symbol_info) PARAMS ((bfd *,
3680                                             struct symbol_cache_entry *,
3681                                             symbol_info *));
3682 #define bfd_get_symbol_info(b,p,e) BFD_SEND(b, _bfd_get_symbol_info, (b,p,e))
3683   boolean  (*_bfd_is_local_label_name) PARAMS ((bfd *, const char *));
3684
3685   alent *  (*_get_lineno) PARAMS ((bfd *, struct symbol_cache_entry *));
3686   boolean  (*_bfd_find_nearest_line)
3687     PARAMS ((bfd *, struct sec *, struct symbol_cache_entry **, bfd_vma,
3688              const char **, const char **, unsigned int *));
3689  /* Back-door to allow format-aware applications to create debug symbols
3690     while using BFD for everything else.  Currently used by the assembler
3691     when creating COFF files.  */
3692   asymbol *(*_bfd_make_debug_symbol) PARAMS ((bfd *, void *,
3693                                               unsigned long size));
3694 #define bfd_read_minisymbols(b, d, m, s) \
3695   BFD_SEND (b, _read_minisymbols, (b, d, m, s))
3696   long     (*_read_minisymbols) PARAMS ((bfd *, boolean, PTR *,
3697                                          unsigned int *));
3698 #define bfd_minisymbol_to_symbol(b, d, m, f) \
3699   BFD_SEND (b, _minisymbol_to_symbol, (b, d, m, f))
3700   asymbol *(*_minisymbol_to_symbol) PARAMS ((bfd *, boolean, const PTR,
3701                                              asymbol *));
3702
3703   /* Routines for relocs.  */
3704 #define BFD_JUMP_TABLE_RELOCS(NAME) \
3705 CONCAT2 (NAME,_get_reloc_upper_bound), \
3706 CONCAT2 (NAME,_canonicalize_reloc), \
3707 CONCAT2 (NAME,_bfd_reloc_type_lookup)
3708   long     (*_get_reloc_upper_bound) PARAMS ((bfd *, sec_ptr));
3709   long     (*_bfd_canonicalize_reloc) PARAMS ((bfd *, sec_ptr, arelent **,
3710                                                struct symbol_cache_entry **));
3711   /* See documentation on reloc types.  */
3712   reloc_howto_type *
3713            (*reloc_type_lookup) PARAMS ((bfd *, bfd_reloc_code_real_type));
3714
3715   /* Routines used when writing an object file.  */
3716 #define BFD_JUMP_TABLE_WRITE(NAME) \
3717 CONCAT2 (NAME,_set_arch_mach), \
3718 CONCAT2 (NAME,_set_section_contents)
3719   boolean  (*_bfd_set_arch_mach) PARAMS ((bfd *, enum bfd_architecture,
3720                                           unsigned long));
3721   boolean  (*_bfd_set_section_contents) PARAMS ((bfd *, sec_ptr, PTR,
3722                                                  file_ptr, bfd_size_type));
3723
3724   /* Routines used by the linker.  */
3725 #define BFD_JUMP_TABLE_LINK(NAME) \
3726 CONCAT2 (NAME,_sizeof_headers), \
3727 CONCAT2 (NAME,_bfd_get_relocated_section_contents), \
3728 CONCAT2 (NAME,_bfd_relax_section), \
3729 CONCAT2 (NAME,_bfd_link_hash_table_create), \
3730 CONCAT2 (NAME,_bfd_link_add_symbols), \
3731 CONCAT2 (NAME,_bfd_final_link), \
3732 CONCAT2 (NAME,_bfd_link_split_section), \
3733 CONCAT2 (NAME,_bfd_gc_sections), \
3734 CONCAT2 (NAME,_bfd_merge_sections)
3735   int      (*_bfd_sizeof_headers) PARAMS ((bfd *, boolean));
3736   bfd_byte *(*_bfd_get_relocated_section_contents)
3737     PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *,
3738              bfd_byte *, boolean, struct symbol_cache_entry **));
3739
3740   boolean  (*_bfd_relax_section)
3741     PARAMS ((bfd *, struct sec *, struct bfd_link_info *, boolean *));
3742
3743   /* Create a hash table for the linker.  Different backends store
3744      different information in this table.  */
3745   struct bfd_link_hash_table *(*_bfd_link_hash_table_create) PARAMS ((bfd *));
3746
3747   /* Add symbols from this object file into the hash table.  */
3748   boolean  (*_bfd_link_add_symbols) PARAMS ((bfd *, struct bfd_link_info *));
3749
3750   /* Do a link based on the link_order structures attached to each
3751      section of the BFD.  */
3752   boolean  (*_bfd_final_link) PARAMS ((bfd *, struct bfd_link_info *));
3753
3754   /* Should this section be split up into smaller pieces during linking.  */
3755   boolean  (*_bfd_link_split_section) PARAMS ((bfd *, struct sec *));
3756
3757   /* Remove sections that are not referenced from the output.  */
3758   boolean  (*_bfd_gc_sections) PARAMS ((bfd *, struct bfd_link_info *));
3759
3760   /* Attempt to merge SEC_MERGE sections.  */
3761   boolean  (*_bfd_merge_sections) PARAMS ((bfd *, struct bfd_link_info *));
3762
3763   /* Routines to handle dynamic symbols and relocs.  */
3764 #define BFD_JUMP_TABLE_DYNAMIC(NAME) \
3765 CONCAT2 (NAME,_get_dynamic_symtab_upper_bound), \
3766 CONCAT2 (NAME,_canonicalize_dynamic_symtab), \
3767 CONCAT2 (NAME,_get_dynamic_reloc_upper_bound), \
3768 CONCAT2 (NAME,_canonicalize_dynamic_reloc)
3769   /* Get the amount of memory required to hold the dynamic symbols. */
3770   long     (*_bfd_get_dynamic_symtab_upper_bound) PARAMS ((bfd *));
3771   /* Read in the dynamic symbols.  */
3772   long     (*_bfd_canonicalize_dynamic_symtab)
3773     PARAMS ((bfd *, struct symbol_cache_entry **));
3774   /* Get the amount of memory required to hold the dynamic relocs.  */
3775   long     (*_bfd_get_dynamic_reloc_upper_bound) PARAMS ((bfd *));
3776   /* Read in the dynamic relocs.  */
3777   long     (*_bfd_canonicalize_dynamic_reloc)
3778     PARAMS ((bfd *, arelent **, struct symbol_cache_entry **));
3779
3780  /* Opposite endian version of this target.  */
3781  const struct bfd_target * alternative_target;
3782
3783  PTR backend_data;
3784
3785 } bfd_target;
3786 boolean
3787 bfd_set_default_target PARAMS ((const char *name));
3788
3789 const bfd_target *
3790 bfd_find_target PARAMS ((const char *target_name, bfd *abfd));
3791
3792 const char **
3793 bfd_target_list PARAMS ((void));
3794
3795 const bfd_target *
3796 bfd_search_for_target PARAMS ((int (* search_func) (const bfd_target *, void *), void *));
3797
3798 boolean
3799 bfd_check_format PARAMS ((bfd *abfd, bfd_format format));
3800
3801 boolean
3802 bfd_check_format_matches PARAMS ((bfd *abfd, bfd_format format, char ***matching));
3803
3804 boolean
3805 bfd_set_format PARAMS ((bfd *abfd, bfd_format format));
3806
3807 const char *
3808 bfd_format_string PARAMS ((bfd_format format));
3809
3810 #ifdef __cplusplus
3811 }
3812 #endif
3813 #endif