include/bfd.h

   1 /* Main header file for the bfd library -- portable access to object files.
   2    ==> The bfd.h file is generated from bfd-in.h and various .c files; if you
   3    ==> change it, your changes will probably be lost.
   4    Copyright 1990, 1991, 1992 Free Software Foundation, Inc.
   5    Contributed by Cygnus Support.
   6
   7 This file is part of BFD, the Binary File Descriptor library.
   8
   9 This program is free software; you can redistribute it and/or modify
  10 it under the terms of the GNU General Public License as published by
  11 the Free Software Foundation; either version 2 of the License, or
  12 (at your option) any later version.
  13
  14 This program is distributed in the hope that it will be useful,
  15 but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 GNU General Public License for more details.
  18
  19 You should have received a copy of the GNU General Public License
  20 along with this program; if not, write to the Free Software
  21 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  22
  23 /* bfd.h -- The only header file required by users of the bfd library
  24
  25 The bfd.h file is generated from bfd-in.h and various .c files; if you
  26 change it, your changes will probably be lost.
  27
  28 All the prototypes and definitions following the comment "THE FOLLOWING
  29 IS EXTRACTED FROM THE SOURCE" are extracted from the source files for
  30 BFD.  If you change it, someone oneday will extract it from the source
  31 again, and your changes will be lost.  To save yourself from this bind,
  32 change the definitions in the source in the bfd directory.  Type "make
  33 docs" and then "make headers" in that directory, and magically this file
  34 will change to reflect your changes.
  35
  36 If you don't have the tools to perform the extraction, then you are
  37 safe from someone on your system trampling over your header files.
  38 You should still maintain the equivalence between the source and this
  39 file though; every change you make to the .c file should be reflected
  40 here.  */
  41
  42 #ifndef __BFD_H_SEEN__
  43 #define __BFD_H_SEEN__
  44
  45 #include "ansidecl.h"
  46 #include "obstack.h"
  47
  48 /* Make it easier to declare prototypes (puts conditional here) */
  49 #ifndef PROTO
  50 #       if __STDC__
  51 #               define PROTO(type, name, arglist) type name arglist
  52 #       else
  53 #               define PROTO(type, name, arglist) type name ()
  54 #       endif
  55 #endif
  56
  57 #define BFD_VERSION "2.0"
  58
  59 /* forward declaration */
  60 typedef struct _bfd bfd;
  61
  62 /* General rules: functions which are boolean return true on success
  63    and false on failure (unless they're a predicate).   -- bfd.doc */
  64 /* I'm sure this is going to break something and someone is going to
  65    force me to change it. */
  66 /* typedef enum boolean {false, true} boolean; */
  67 /* Yup, SVR4 has a "typedef enum boolean" in <sys/types.h>  -fnf */
  68 typedef enum bfd_boolean {false, true} boolean;
  69
  70 /* A pointer to a position in a file.  */
  71 /* FIXME:  This should be using off_t from <sys/types.h>.
  72    For now, try to avoid breaking stuff by not including <sys/types.h> here.
  73    This will break on systems with 64-bit file offsets (e.g. 4.4BSD).
  74    Probably the best long-term answer is to avoid using file_ptr AND off_t
  75    in this header file, and to handle this in the BFD implementation
  76    rather than in its interface.  */
  77 /* typedef off_t        file_ptr; */
  78 typedef long int file_ptr;
  79
  80 /* Support for different sizes of target format ints and addresses */
  81
  82 #ifdef  HOST_64_BIT
  83 typedef HOST_64_BIT rawdata_offset;
  84 typedef HOST_64_BIT bfd_vma;
  85 typedef HOST_64_BIT bfd_word;
  86 typedef HOST_64_BIT bfd_offset;
  87 typedef HOST_64_BIT bfd_size_type;
  88 typedef HOST_64_BIT symvalue;
  89 typedef HOST_64_BIT bfd_64_type;
  90 #define fprintf_vma(s,x) \
  91                 fprintf(s,"%08x%08x", uint64_typeHIGH(x), uint64_typeLOW(x))
  92 #else
  93 typedef struct {int a,b;} bfd_64_type;
  94 typedef unsigned long rawdata_offset;
  95 typedef unsigned long bfd_vma;
  96 typedef unsigned long bfd_offset;
  97 typedef unsigned long bfd_word;
  98 typedef unsigned long bfd_size;
  99 typedef unsigned long symvalue;
 100 typedef unsigned long bfd_size_type;
 101 #define fprintf_vma(s,x) fprintf(s, "%08lx", x)
 102 #endif
 103 #define printf_vma(x) fprintf_vma(stdout,x)
 104
 105 typedef unsigned int flagword;  /* 32 bits of flags */
 106 \f
 107 /** File formats */
 108
 109 typedef enum bfd_format {
 110               bfd_unknown = 0,  /* file format is unknown */
 111               bfd_object,       /* linker/assember/compiler output */
 112               bfd_archive,      /* object archive file */
 113               bfd_core,         /* core dump */
 114               bfd_type_end}     /* marks the end; don't use it! */
 115          bfd_format;
 116
 117 /* Object file flag values */
 118 #define NO_FLAGS        0x00
 119 #define HAS_RELOC       0x01
 120 #define EXEC_P          0x02
 121 #define HAS_LINENO      0x04
 122 #define HAS_DEBUG       0x08
 123 #define HAS_SYMS        0x10
 124 #define HAS_LOCALS      0x20
 125 #define DYNAMIC         0x40
 126 #define WP_TEXT         0x80
 127 #define D_PAGED         0x100
 128 #define BFD_IS_RELAXABLE 0x200
 129 \f
 130 /* symbols and relocation */
 131
 132 typedef unsigned long symindex;
 133
 134 #define BFD_NO_MORE_SYMBOLS ((symindex) ~0)
 135
 136 typedef enum bfd_symclass {
 137               bfd_symclass_unknown = 0,
 138               bfd_symclass_fcommon, /* fortran common symbols */
 139               bfd_symclass_global, /* global symbol, what a surprise */
 140               bfd_symclass_debugger, /* some debugger symbol */
 141               bfd_symclass_undefined /* none known */
 142             } symclass;
 143
 144
 145 typedef int symtype;            /* Who knows, yet? */
 146
 147
 148 /* general purpose part of a symbol;
 149    target specific parts will be found in libcoff.h, liba.out.h etc */
 150
 151
 152 #define bfd_get_section(x) ((x)->section)
 153 #define bfd_get_output_section(x) ((x)->section->output_section)
 154 #define bfd_set_section(x,y) ((x)->section) = (y)
 155 #define bfd_asymbol_base(x) ((x)->section?((x)->section->vma):0)
 156 #define bfd_asymbol_value(x) (bfd_asymbol_base(x) + x->value)
 157 #define bfd_asymbol_name(x) ((x)->name)
 158
 159 /* This is a type pun with struct ranlib on purpose! */
 160 typedef struct carsym {
 161   char *name;
 162   file_ptr file_offset;         /* look here to find the file */
 163 } carsym;                       /* to make these you call a carsymogen */
 164
 165
 166 /* Used in generating armaps.  Perhaps just a forward definition would do? */
 167 struct orl {                    /* output ranlib */
 168   char **name;                  /* symbol name */
 169   file_ptr pos;                 /* bfd* or file position */
 170   int namidx;                   /* index into string table */
 171 };
 172
 173 \f
 174
 175 /* Linenumber stuff */
 176 typedef struct lineno_cache_entry {
 177   unsigned int line_number;     /* Linenumber from start of function*/
 178   union {
 179  struct symbol_cache_entry *sym;                /* Function name */
 180     unsigned long offset;       /* Offset into section */
 181   } u;
 182 } alent;
 183 \f
 184 /* object and core file sections */
 185
 186
 187 #define align_power(addr, align)        \
 188         ( ((addr) + ((1<<(align))-1)) & (-1 << (align)))
 189
 190 typedef struct sec *sec_ptr;
 191
 192 #define bfd_get_section_name(bfd, ptr) ((ptr)->name + 0)
 193 #define bfd_get_section_vma(bfd, ptr) ((ptr)->vma + 0)
 194 #define bfd_get_section_alignment(bfd, ptr) ((ptr)->alignment_power + 0)
 195 #define bfd_section_name(bfd, ptr) ((ptr)->name)
 196 #define bfd_section_size(bfd, ptr) (bfd_get_section_size_before_reloc(ptr))
 197 #define bfd_section_vma(bfd, ptr) ((ptr)->vma)
 198 #define bfd_section_alignment(bfd, ptr) ((ptr)->alignment_power)
 199 #define bfd_get_section_flags(bfd, ptr) ((ptr)->flags + 0)
 200 #define bfd_get_section_userdata(bfd, ptr) ((ptr)->userdata)
 201
 202 #define bfd_set_section_vma(bfd, ptr, val) (((ptr)->vma = (val)), ((ptr)->user_set_vma = true), true)
 203 #define bfd_set_section_alignment(bfd, ptr, val) (((ptr)->alignment_power = (val)),true)
 204 #define bfd_set_section_userdata(bfd, ptr, val) (((ptr)->userdata = (val)),true)
 205
 206 typedef struct stat stat_type;
 207 \f
 208 /** Error handling */
 209
 210 typedef enum bfd_error {
 211               no_error = 0, system_call_error, invalid_target,
 212               wrong_format, invalid_operation, no_memory,
 213               no_symbols, no_relocation_info,
 214               no_more_archived_files, malformed_archive,
 215               symbol_not_found, file_not_recognized,
 216               file_ambiguously_recognized, no_contents,
 217               bfd_error_nonrepresentable_section,
 218               no_debug_section, bad_value,
 219               invalid_error_code} bfd_ec;
 220
 221 extern bfd_ec bfd_error;
 222 struct reloc_cache_entry;
 223 struct bfd_seclet_struct ;
 224
 225
 226 typedef struct bfd_error_vector {
 227   PROTO(void,(* nonrepresentable_section ),(CONST bfd  *CONST abfd,
 228                                             CONST char *CONST name));
 229   PROTO(void,(* undefined_symbol),(CONST struct reloc_cache_entry *rel,
 230                                    CONST struct bfd_seclet_struct *sec
 231                                    ));
 232   PROTO(void, (* reloc_value_truncated),(CONST struct
 233                                           reloc_cache_entry *rel,
 234                                           struct bfd_seclet_struct *sec));
 235
 236   PROTO(void, (* reloc_dangerous),(CONST struct reloc_cache_entry *rel,
 237                                    CONST struct bfd_seclet_struct *sec));
 238
 239 } bfd_error_vector_type;
 240
 241 PROTO (CONST char *, bfd_errmsg, (bfd_ec error_tag));
 242 PROTO (void, bfd_perror, (CONST char *message));
 243 \f
 244
 245 typedef enum bfd_print_symbol
 246 {
 247   bfd_print_symbol_name,
 248   bfd_print_symbol_more,
 249   bfd_print_symbol_all,
 250   bfd_print_symbol_nm   /* Pretty format suitable for nm program. */
 251 } bfd_print_symbol_type;
 252
 253 \f
 254 \f
 255 /* The code that implements targets can initialize a jump table with this
 256    macro.  It must name all its routines the same way (a prefix plus
 257    the standard routine suffix), or it must #define the routines that
 258    are not so named, before calling JUMP_TABLE in the initializer.  */
 259
 260 /* Semi-portable string concatenation in cpp */
 261 #ifndef CAT
 262 #ifdef __STDC__
 263 #define CAT(a,b) a##b
 264 #else
 265 #define CAT(a,b) a/**/b
 266 #endif
 267 #endif
 268
 269 #define JUMP_TABLE(NAME)\
 270 CAT(NAME,_core_file_failing_command),\
 271 CAT(NAME,_core_file_failing_signal),\
 272 CAT(NAME,_core_file_matches_executable_p),\
 273 CAT(NAME,_slurp_armap),\
 274 CAT(NAME,_slurp_extended_name_table),\
 275 CAT(NAME,_truncate_arname),\
 276 CAT(NAME,_write_armap),\
 277 CAT(NAME,_close_and_cleanup),   \
 278 CAT(NAME,_set_section_contents),\
 279 CAT(NAME,_get_section_contents),\
 280 CAT(NAME,_new_section_hook),\
 281 CAT(NAME,_get_symtab_upper_bound),\
 282 CAT(NAME,_get_symtab),\
 283 CAT(NAME,_get_reloc_upper_bound),\
 284 CAT(NAME,_canonicalize_reloc),\
 285 CAT(NAME,_make_empty_symbol),\
 286 CAT(NAME,_print_symbol),\
 287 CAT(NAME,_get_lineno),\
 288 CAT(NAME,_set_arch_mach),\
 289 CAT(NAME,_openr_next_archived_file),\
 290 CAT(NAME,_find_nearest_line),\
 291 CAT(NAME,_generic_stat_arch_elt),\
 292 CAT(NAME,_sizeof_headers),\
 293 CAT(NAME,_bfd_debug_info_start),\
 294 CAT(NAME,_bfd_debug_info_end),\
 295 CAT(NAME,_bfd_debug_info_accumulate),\
 296 CAT(NAME,_bfd_get_relocated_section_contents),\
 297 CAT(NAME,_bfd_relax_section)
 298
 299 #define COFF_SWAP_TABLE \
 300  coff_swap_aux_in, coff_swap_sym_in, coff_swap_lineno_in, \
 301  coff_swap_aux_out, coff_swap_sym_out, \
 302  coff_swap_lineno_out, coff_swap_reloc_out, \
 303  coff_swap_filehdr_out, coff_swap_aouthdr_out, \
 304  coff_swap_scnhdr_out
 305
 306
 307 \f
 308 /* User program access to BFD facilities */
 309
 310 extern CONST short _bfd_host_big_endian;
 311 #define HOST_BYTE_ORDER_BIG_P   (*(char *)&_bfd_host_big_endian)
 312
 313 /* The bfd itself */
 314
 315 /* Cast from const char * to char * so that caller can assign to
 316    a char * without a warning.  */
 317 #define bfd_get_filename(abfd) ((char *) (abfd)->filename)
 318 #define bfd_get_format(abfd) ((abfd)->format)
 319 #define bfd_get_target(abfd) ((abfd)->xvec->name)
 320 #define bfd_get_file_flags(abfd) ((abfd)->flags)
 321 #define bfd_applicable_file_flags(abfd) ((abfd)->xvec->object_flags)
 322 #define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags)
 323 #define bfd_my_archive(abfd) ((abfd)->my_archive)
 324 #define bfd_has_map(abfd) ((abfd)->has_armap)
 325 #define bfd_header_twiddle_required(abfd) \
 326         ((((abfd)->xvec->header_byteorder_big_p)                \
 327           != (boolean)HOST_BYTE_ORDER_BIG_P) ? true:false)
 328
 329 #define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types)
 330 #define bfd_usrdata(abfd) ((abfd)->usrdata)
 331
 332 #define bfd_get_start_address(abfd) ((abfd)->start_address)
 333 #define bfd_get_symcount(abfd) ((abfd)->symcount)
 334 #define bfd_get_outsymbols(abfd) ((abfd)->outsymbols)
 335 #define bfd_count_sections(abfd) ((abfd)->section_count)
 336 #define bfd_get_architecture(abfd) ((abfd)->obj_arch)
 337 #define bfd_get_machine(abfd) ((abfd)->obj_machine)
 338
 339 #define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char)
 340
 341 #define BYTE_SIZE 1
 342 #define SHORT_SIZE 2
 343 #define LONG_SIZE 4
 344
 345 /* And more from the source.  */
 346 void
 347 bfd_init PARAMS ((void));
 348
 349 bfd *
 350 bfd_openr PARAMS ((CONST char *filename, CONST char*target));
 351
 352 bfd *
 353 bfd_fdopenr PARAMS ((CONST char *filename, CONST char *target, int fd));
 354
 355 bfd *
 356 bfd_openw PARAMS ((CONST char *filename, CONST char *target));
 357
 358 boolean
 359 bfd_close PARAMS ((bfd *));
 360
 361 boolean
 362 bfd_close_all_done PARAMS ((bfd *));
 363
 364 bfd_size_type
 365 bfd_alloc_size PARAMS ((bfd *abfd));
 366
 367 bfd *
 368 bfd_create PARAMS ((CONST char *filename, bfd *template));
 369
 370 #define bfd_put_8(abfd, val, ptr) \
 371                 (*((char *)ptr) = (char)val)
 372 #define bfd_get_8(abfd, ptr) \
 373                 (*((char *)ptr))
 374 #define bfd_put_16(abfd, val, ptr) \
 375                 BFD_SEND(abfd, bfd_putx16, (val,ptr))
 376 #define bfd_get_16(abfd, ptr) \
 377                 BFD_SEND(abfd, bfd_getx16, (ptr))
 378 #define bfd_put_32(abfd, val, ptr) \
 379                 BFD_SEND(abfd, bfd_putx32, (val,ptr))
 380 #define bfd_get_32(abfd, ptr) \
 381                 BFD_SEND(abfd, bfd_getx32, (ptr))
 382 #define bfd_put_64(abfd, val, ptr) \
 383                 BFD_SEND(abfd, bfd_putx64, (val, ptr))
 384 #define bfd_get_64(abfd, ptr) \
 385                 BFD_SEND(abfd, bfd_getx64, (ptr))
 386 #define bfd_h_put_8(abfd, val, ptr) \
 387                 (*((char *)ptr) = (char)val)
 388 #define bfd_h_get_8(abfd, ptr) \
 389                 (*((char *)ptr))
 390 #define bfd_h_put_16(abfd, val, ptr) \
 391                 BFD_SEND(abfd, bfd_h_putx16,(val,ptr))
 392 #define bfd_h_get_16(abfd, ptr) \
 393                 BFD_SEND(abfd, bfd_h_getx16,(ptr))
 394 #define bfd_h_put_32(abfd, val, ptr) \
 395                 BFD_SEND(abfd, bfd_h_putx32,(val,ptr))
 396 #define bfd_h_get_32(abfd, ptr) \
 397                 BFD_SEND(abfd, bfd_h_getx32,(ptr))
 398 #define bfd_h_put_64(abfd, val, ptr) \
 399                 BFD_SEND(abfd, bfd_h_putx64,(val, ptr))
 400 #define bfd_h_get_64(abfd, ptr) \
 401                 BFD_SEND(abfd, bfd_h_getx64,(ptr))
 402 typedef struct sec
 403 {
 404          /* The name of the section, the name isn't a copy, the pointer is
 405         the same as that passed to bfd_make_section. */
 406
 407     CONST char *name;
 408
 409
 410          /* Which section is it 0.nth      */
 411
 412    int index;
 413
 414          /* The next section in the list belonging to the BFD, or NULL. */
 415
 416     struct sec *next;
 417
 418          /* The field flags contains attributes of the section. Some of
 419            flags are read in from the object file, and some are
 420            synthesized from other information.  */
 421
 422     flagword flags;
 423
 424 #define SEC_NO_FLAGS   0x000
 425
 426          /* Tells the OS to allocate space for this section when loaded.
 427            This would clear for a section containing debug information
 428            only. */
 429
 430
 431 #define SEC_ALLOC      0x001
 432          /* Tells the OS to load the section from the file when loading.
 433            This would be clear for a .bss section */
 434
 435 #define SEC_LOAD       0x002
 436          /* The section contains data still to be relocated, so there will
 437            be some relocation information too. */
 438
 439 #define SEC_RELOC      0x004
 440
 441          /* Obsolete ? */
 442
 443 #define SEC_BALIGN     0x008
 444
 445          /* A signal to the OS that the section contains read only
 446           data. */
 447 #define SEC_READONLY   0x010
 448
 449          /* The section contains code only. */
 450
 451 #define SEC_CODE       0x020
 452
 453          /* The section contains data only. */
 454
 455 #define SEC_DATA        0x040
 456
 457          /* The section will reside in ROM. */
 458
 459 #define SEC_ROM        0x080
 460
 461          /* The section contains constructor information. This section
 462            type is used by the linker to create lists of constructors and
 463            destructors used by <<g++>>. When a back end sees a symbol
 464            which should be used in a constructor list, it creates a new
 465            section for the type of name (eg <<__CTOR_LIST__>>), attaches
 466            the symbol to it and builds a relocation. To build the lists
 467            of constructors, all the linker has to to is catenate all the
 468            sections called <<__CTOR_LIST__>> and relocte the data
 469            contained within - exactly the operations it would peform on
 470            standard data. */
 471
 472 #define SEC_CONSTRUCTOR 0x100
 473
 474          /* The section is a constuctor, and should be placed at the
 475           end of the . */
 476
 477
 478 #define SEC_CONSTRUCTOR_TEXT 0x1100
 479
 480 #define SEC_CONSTRUCTOR_DATA 0x2100
 481
 482 #define SEC_CONSTRUCTOR_BSS  0x3100
 483
 484
 485          /* The section has contents - a bss section could be
 486            <<SEC_ALLOC>> | <<SEC_HAS_CONTENTS>>, a debug section could be
 487            <<SEC_HAS_CONTENTS>> */
 488
 489 #define SEC_HAS_CONTENTS 0x200
 490
 491          /* An instruction to the linker not to output sections
 492           containing this flag even if they have information which
 493           would normally be written. */
 494
 495 #define SEC_NEVER_LOAD 0x400
 496
 497
 498
 499    bfd_vma vma;
 500    boolean user_set_vma;
 501
 502          /* The size of the section in bytes, as it will be output.
 503            contains a value even if the section has no contents (eg, the
 504            size of <<.bss>>). This will be filled in after relocation */
 505
 506    bfd_size_type _cooked_size;
 507
 508          /* The size on disk of the section in bytes originally.  Normally this
 509             value is the same as the size, but if some relaxing has
 510             been done, then this value will be bigger.  */
 511
 512    bfd_size_type _raw_size;
 513
 514          /* If this section is going to be output, then this value is the
 515            offset into the output section of the first byte in the input
 516            section. Eg, if this was going to start at the 100th byte in
 517            the output section, this value would be 100. */
 518
 519    bfd_vma output_offset;
 520
 521          /* The output section through which to map on output. */
 522
 523    struct sec *output_section;
 524
 525          /* The alignment requirement of the section, as an exponent - eg
 526            3 aligns to 2^3 (or 8) */
 527
 528    unsigned int alignment_power;
 529
 530          /* If an input section, a pointer to a vector of relocation
 531            records for the data in this section. */
 532
 533    struct reloc_cache_entry *relocation;
 534
 535          /* If an output section, a pointer to a vector of pointers to
 536            relocation records for the data in this section. */
 537
 538    struct reloc_cache_entry **orelocation;
 539
 540          /* The number of relocation records in one of the above  */
 541
 542    unsigned reloc_count;
 543
 544          /* Information below is back end specific - and not always used
 545            or updated
 546
 547            File position of section data    */
 548
 549    file_ptr filepos;
 550
 551          /* File position of relocation info */
 552
 553    file_ptr rel_filepos;
 554
 555          /* File position of line data       */
 556
 557    file_ptr line_filepos;
 558
 559          /* Pointer to data for applications */
 560
 561    PTR userdata;
 562
 563    struct lang_output_section *otheruserdata;
 564
 565          /* Attached line number information */
 566
 567    alent *lineno;
 568
 569          /* Number of line number records   */
 570
 571    unsigned int lineno_count;
 572
 573          /* When a section is being output, this value changes as more
 574            linenumbers are written out */
 575
 576    file_ptr moving_line_filepos;
 577
 578          /* what the section number is in the target world  */
 579
 580    int target_index;
 581
 582    PTR used_by_bfd;
 583
 584          /* If this is a constructor section then here is a list of the
 585            relocations created to relocate items within it. */
 586
 587    struct relent_chain *constructor_chain;
 588
 589          /* The BFD which owns the section. */
 590
 591    bfd *owner;
 592
 593    boolean reloc_done;
 594           /* A symbol which points at this section only */
 595    struct symbol_cache_entry *symbol;
 596    struct symbol_cache_entry **symbol_ptr_ptr;
 597    struct bfd_seclet_struct *seclets_head;
 598    struct bfd_seclet_struct *seclets_tail;
 599 } asection ;
 600
 601
 602 #define BFD_ABS_SECTION_NAME "*ABS*"
 603 #define BFD_UND_SECTION_NAME "*UND*"
 604 #define BFD_COM_SECTION_NAME "*COM*"
 605
 606      /* the absolute section */
 607  extern   asection bfd_abs_section;
 608      /* Pointer to the undefined section */
 609  extern   asection bfd_und_section;
 610      /* Pointer to the common section */
 611  extern asection bfd_com_section;
 612
 613  extern struct symbol_cache_entry *bfd_abs_symbol;
 614  extern struct symbol_cache_entry *bfd_com_symbol;
 615  extern struct symbol_cache_entry *bfd_und_symbol;
 616 #define bfd_get_section_size_before_reloc(section) \
 617      (section->reloc_done ? (abort(),1): (section)->_raw_size)
 618 #define bfd_get_section_size_after_reloc(section) \
 619      ((section->reloc_done) ? (section)->_cooked_size: (abort(),1))
 620 asection *
 621 bfd_get_section_by_name PARAMS ((bfd *abfd, CONST char *name));
 622
 623 asection *
 624 bfd_make_section_old_way PARAMS ((bfd *, CONST char *name));
 625
 626 asection *
 627 bfd_make_section PARAMS ((bfd *, CONST char *name));
 628
 629 boolean
 630 bfd_set_section_flags PARAMS ((bfd *, asection *, flagword));
 631
 632 void
 633 bfd_map_over_sections PARAMS ((bfd *abfd,
 634     void (*func)(bfd *abfd,
 635     asection *sect,
 636     PTR obj),
 637     PTR obj));
 638
 639 boolean
 640 bfd_set_section_size PARAMS ((bfd *, asection *, bfd_size_type val));
 641
 642 boolean
 643 bfd_set_section_contents
 644  PARAMS ((bfd *abfd,
 645     asection *section,
 646     PTR data,
 647     file_ptr offset,
 648     bfd_size_type count));
 649
 650 boolean
 651 bfd_get_section_contents
 652  PARAMS ((bfd *abfd, asection *section, PTR location,
 653     file_ptr offset, bfd_size_type count));
 654
 655 enum bfd_architecture
 656 {
 657   bfd_arch_unknown,    /* File arch not known */
 658   bfd_arch_obscure,    /* Arch known, not one of these */
 659   bfd_arch_m68k,       /* Motorola 68xxx */
 660   bfd_arch_vax,        /* DEC Vax */
 661   bfd_arch_i960,       /* Intel 960 */
 662      /* The order of the following is important.
 663        lower number indicates a machine type that
 664        only accepts a subset of the instructions
 665        available to machines with higher numbers.
 666        The exception is the "ca", which is
 667        incompatible with all other machines except
 668        "core". */
 669
 670 #define bfd_mach_i960_core      1
 671 #define bfd_mach_i960_ka_sa     2
 672 #define bfd_mach_i960_kb_sb     3
 673 #define bfd_mach_i960_mc        4
 674 #define bfd_mach_i960_xa        5
 675 #define bfd_mach_i960_ca        6
 676
 677   bfd_arch_a29k,       /* AMD 29000 */
 678   bfd_arch_sparc,      /* SPARC */
 679   bfd_arch_mips,       /* MIPS Rxxxx */
 680   bfd_arch_i386,       /* Intel 386 */
 681   bfd_arch_we32k,      /* AT&T WE32xxx */
 682   bfd_arch_tahoe,      /* CCI/Harris Tahoe */
 683   bfd_arch_i860,       /* Intel 860 */
 684   bfd_arch_romp,       /* IBM ROMP PC/RT */
 685   bfd_arch_alliant,    /* Alliant */
 686   bfd_arch_convex,     /* Convex */
 687   bfd_arch_m88k,       /* Motorola 88xxx */
 688   bfd_arch_pyramid,    /* Pyramid Technology */
 689   bfd_arch_h8300,      /* Hitachi H8/300 */
 690   bfd_arch_rs6000,     /* IBM RS/6000 */
 691   bfd_arch_hppa,       /* HP PA RISC */
 692   bfd_arch_z8k,        /* Zilog Z8000 */
 693 #define bfd_mach_z8001          1
 694 #define bfd_mach_z8002          2
 695   bfd_arch_last
 696   };
 697
 698 typedef struct bfd_arch_info
 699 {
 700   int bits_per_word;
 701   int bits_per_address;
 702   int bits_per_byte;
 703   enum bfd_architecture arch;
 704   long mach;
 705   char *arch_name;
 706   CONST  char *printable_name;
 707   unsigned int section_align_power;
 708   /* true if this is the default machine for the architecture */
 709   boolean the_default;
 710   CONST struct bfd_arch_info * (*compatible)
 711         PARAMS ((CONST struct bfd_arch_info *a,
 712                  CONST struct bfd_arch_info *b));
 713
 714   boolean (*scan) PARAMS ((CONST struct bfd_arch_info *, CONST char *));
 715   unsigned int (*disassemble) PARAMS ((bfd_vma addr, CONST char *data,
 716                                         PTR stream));
 717
 718   struct bfd_arch_info *next;
 719 } bfd_arch_info_type;
 720 CONST char *
 721 bfd_printable_name PARAMS ((bfd *abfd));
 722
 723 bfd_arch_info_type *
 724 bfd_scan_arch PARAMS ((CONST char *));
 725
 726 CONST bfd_arch_info_type *
 727 bfd_arch_get_compatible PARAMS ((
 728     CONST bfd *abfd,
 729     CONST bfd *bbfd));
 730
 731 void
 732 bfd_set_arch_info PARAMS ((bfd *, bfd_arch_info_type *));
 733
 734 enum bfd_architecture
 735 bfd_get_arch PARAMS ((bfd *abfd));
 736
 737 unsigned long
 738 bfd_get_mach PARAMS ((bfd *abfd));
 739
 740 unsigned int
 741 bfd_arch_bits_per_byte PARAMS ((bfd *abfd));
 742
 743 unsigned int
 744 bfd_arch_bits_per_address PARAMS ((bfd *abfd));
 745
 746 bfd_arch_info_type *
 747 bfd_get_arch_info PARAMS ((bfd *));
 748
 749 bfd_arch_info_type *
 750 bfd_lookup_arch
 751  PARAMS ((enum bfd_architecture
 752     arch,
 753     long machine));
 754
 755 CONST char *
 756 bfd_printable_arch_mach
 757  PARAMS ((enum bfd_architecture arch, unsigned long machine));
 758
 759 typedef enum bfd_reloc_status
 760 {
 761         /* No errors detected */
 762   bfd_reloc_ok,
 763
 764         /* The relocation was performed, but there was an overflow. */
 765   bfd_reloc_overflow,
 766
 767         /* The address to relocate was not within the section supplied*/
 768   bfd_reloc_outofrange,
 769
 770         /* Used by special functions */
 771   bfd_reloc_continue,
 772
 773         /* Unused */
 774   bfd_reloc_notsupported,
 775
 776         /* Unsupported relocation size requested.  */
 777   bfd_reloc_other,
 778
 779         /* The symbol to relocate against was undefined.*/
 780   bfd_reloc_undefined,
 781
 782         /* The relocation was performed, but may not be ok - presently
 783           generated only when linking i960 coff files with i960 b.out
 784           symbols. */
 785   bfd_reloc_dangerous
 786  }
 787  bfd_reloc_status_type;
 788
 789
 790 typedef struct reloc_cache_entry
 791 {
 792         /* A pointer into the canonical table of pointers  */
 793   struct symbol_cache_entry **sym_ptr_ptr;
 794
 795         /* offset in section */
 796   rawdata_offset address;
 797
 798         /* addend for relocation value */
 799   bfd_vma addend;
 800
 801         /* Pointer to how to perform the required relocation */
 802   CONST struct reloc_howto_struct *howto;
 803
 804 } arelent;
 805
 806 typedef CONST struct reloc_howto_struct
 807 {
 808         /*  The type field has mainly a documetary use - the back end can
 809            to what it wants with it, though the normally the back end's
 810            external idea of what a reloc number would be would be stored
 811            in this field. For example, the a PC relative word relocation
 812            in a coff environment would have the type 023 - because that's
 813            what the outside world calls a R_PCRWORD reloc. */
 814   unsigned int type;
 815
 816         /*  The value the final relocation is shifted right by. This drops
 817            unwanted data from the relocation.  */
 818   unsigned int rightshift;
 819
 820         /*  The size of the item to be relocated - 0, is one byte, 1 is 2
 821            bytes, 3 is four bytes.  A -ve value indicates that the
 822             result is to be subtracted from the data*/
 823   int size;
 824
 825         /*  Now obsolete */
 826   unsigned int bitsize;
 827
 828         /*  Notes that the relocation is relative to the location in the
 829            data section of the addend. The relocation function will
 830            subtract from the relocation value the address of the location
 831            being relocated. */
 832   boolean pc_relative;
 833
 834         /*  Now obsolete */
 835   unsigned int bitpos;
 836
 837         /*  Now obsolete */
 838   boolean absolute;
 839
 840         /* Causes the relocation routine to return an error if overflow
 841           is detected when relocating. */
 842   boolean complain_on_overflow;
 843
 844         /* If this field is non null, then the supplied function is
 845           called rather than the normal function. This allows really
 846           strange relocation methods to be accomodated (eg, i960 callj
 847           instructions). */
 848   bfd_reloc_status_type (*special_function)
 849                                     PARAMS ((bfd *abfd,
 850                                              arelent *reloc_entry,
 851                                             struct symbol_cache_entry *symbol,
 852                                             PTR data,
 853                                             asection *input_section,
 854                                             bfd *output_bfd));
 855
 856         /* The textual name of the relocation type. */
 857   char *name;
 858
 859         /* When performing a partial link, some formats must modify the
 860           relocations rather than the data - this flag signals this.*/
 861   boolean partial_inplace;
 862
 863         /* The src_mask is used to select what parts of the read in data
 864           are to be used in the relocation sum. Eg, if this was an 8 bit
 865           bit of data which we read and relocated, this would be
 866           0x000000ff. When we have relocs which have an addend, such as
 867           sun4 extended relocs, the value in the offset part of a
 868           relocating field is garbage so we never use it. In this case
 869           the mask would be 0x00000000. */
 870   bfd_word src_mask;
 871
 872         /* The dst_mask is what parts of the instruction are replaced
 873           into the instruction. In most cases src_mask == dst_mask,
 874           except in the above special case, where dst_mask would be
 875           0x000000ff, and src_mask would be 0x00000000.   */
 876   bfd_word dst_mask;
 877
 878         /* When some formats create PC relative instructions, they leave
 879           the value of the pc of the place being relocated in the offset
 880           slot of the instruction, so that a PC relative relocation can
 881           be made just by adding in an ordinary offset (eg sun3 a.out).
 882           Some formats leave the displacement part of an instruction
 883           empty (eg m88k bcs), this flag signals the fact.*/
 884   boolean pcrel_offset;
 885
 886 } reloc_howto_type;
 887 #define HOWTO(C, R,S,B, P, BI, ABS, O, SF, NAME, INPLACE, MASKSRC, MASKDST, PC) \
 888   {(unsigned)C,R,S,B, P, BI, ABS,O,SF,NAME,INPLACE,MASKSRC,MASKDST,PC}
 889 #define NEWHOWTO( FUNCTION, NAME,SIZE,REL,IN) HOWTO(0,0,SIZE,0,REL,0,false,false,FUNCTION, NAME,false,0,0,IN)
 890
 891 #define HOWTO_PREPARE(relocation, symbol)      \
 892   {                                            \
 893   if (symbol != (asymbol *)NULL) {             \
 894     if (symbol->section == &bfd_com_section) { \
 895       relocation = 0;                          \
 896     }                                          \
 897     else {                                     \
 898       relocation = symbol->value;              \
 899     }                                          \
 900   }                                            \
 901 }
 902 typedef unsigned char bfd_byte;
 903
 904 typedef struct relent_chain {
 905   arelent relent;
 906   struct   relent_chain *next;
 907 } arelent_chain;
 908 bfd_reloc_status_type
 909
 910 bfd_perform_relocation
 911  PARAMS ((bfd * abfd,
 912     arelent *reloc_entry,
 913     PTR data,
 914     asection *input_section,
 915     bfd *output_bfd));
 916
 917 typedef enum bfd_reloc_code_real
 918
 919 {
 920         /* 16 bits wide, simple reloc */
 921   BFD_RELOC_16,
 922
 923         /* 8 bits wide, but used to form an address like 0xffnn */
 924   BFD_RELOC_8_FFnn,
 925
 926         /* 8 bits wide, simple */
 927   BFD_RELOC_8,
 928
 929         /* 8 bits wide, pc relative */
 930   BFD_RELOC_8_PCREL,
 931
 932         /* The type of reloc used to build a contructor table - at the
 933           moment probably a 32 bit wide abs address, but the cpu can
 934           choose. */
 935
 936   BFD_RELOC_CTOR,
 937
 938         /* 32 bits wide, simple reloc */
 939   BFD_RELOC_32,
 940          /* 32 bits, PC-relative */
 941   BFD_RELOC_32_PCREL,
 942
 943          /* High 22 bits of 32-bit value; simple reloc.  */
 944   BFD_RELOC_HI22,
 945          /* Low 10 bits.  */
 946   BFD_RELOC_LO10,
 947
 948          /* Reloc types used for i960/b.out.  */
 949   BFD_RELOC_24_PCREL,
 950   BFD_RELOC_I960_CALLJ,
 951
 952   BFD_RELOC_16_PCREL,
 953          /* 32-bit pc-relative, shifted right 2 bits (i.e., 30-bit
 954            word displacement, e.g. for SPARC) */
 955   BFD_RELOC_32_PCREL_S2,
 956
 957    /* now for the sparc/elf codes */
 958   BFD_RELOC_NONE,                /* actually used */
 959   BFD_RELOC_SPARC_WDISP22,
 960   BFD_RELOC_SPARC22,
 961   BFD_RELOC_SPARC13,
 962   BFD_RELOC_SPARC_BASE13,
 963   BFD_RELOC_SPARC_GOT10,
 964   BFD_RELOC_SPARC_GOT13,
 965   BFD_RELOC_SPARC_GOT22,
 966   BFD_RELOC_SPARC_PC10,
 967   BFD_RELOC_SPARC_PC22,
 968   BFD_RELOC_SPARC_WPLT30,
 969   BFD_RELOC_SPARC_COPY,
 970   BFD_RELOC_SPARC_GLOB_DAT,
 971   BFD_RELOC_SPARC_JMP_SLOT,
 972   BFD_RELOC_SPARC_RELATIVE,
 973   BFD_RELOC_SPARC_UA32,
 974
 975    /* this one is a.out specific? */
 976   BFD_RELOC_SPARC_BASE22,
 977
 978    /* this must be the highest numeric value */
 979   BFD_RELOC_UNUSED
 980  } bfd_reloc_code_real_type;
 981 CONST struct reloc_howto_struct *
 982
 983 bfd_reloc_type_lookup  PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
 984
 985 typedef struct symbol_cache_entry
 986 {
 987          /* A pointer to the BFD which owns the symbol. This information
 988            is necessary so that a back end can work out what additional
 989            (invisible to the application writer) information is carried
 990            with the symbol.  */
 991
 992   struct _bfd *the_bfd;
 993
 994          /* The text of the symbol. The name is left alone, and not copied - the
 995            application may not alter it. */
 996   CONST char *name;
 997
 998          /* The value of the symbol.*/
 999   symvalue value;
1000
1001          /* Attributes of a symbol: */
1002
1003 #define BSF_NO_FLAGS    0x00
1004
1005          /* The symbol has local scope; <<static>> in <<C>>. The value
1006            is the offset into the section of the data. */
1007 #define BSF_LOCAL       0x01
1008
1009          /* The symbol has global scope; initialized data in <<C>>. The
1010            value is the offset into the section of the data. */
1011 #define BSF_GLOBAL      0x02
1012
1013          /* Obsolete */
1014 #define BSF_IMPORT      0x04
1015
1016          /* The symbol has global scope, and is exported. The value is
1017            the offset into the section of the data. */
1018 #define BSF_EXPORT      0x08
1019
1020          /* The symbol is undefined. <<extern>> in <<C>>. The value has
1021            no meaning. */
1022 #define BSF_UNDEFINED_OBS 0x10
1023
1024          /* The symbol is common, initialized to zero; default in
1025            <<C>>. The value is the size of the object in bytes. */
1026 #define BSF_FORT_COMM_OBS       0x20
1027
1028          /* A normal C symbol would be one of:
1029            <<BSF_LOCAL>>, <<BSF_FORT_COMM>>,  <<BSF_UNDEFINED>> or
1030            <<BSF_EXPORT|BSD_GLOBAL>> */
1031
1032          /* The symbol is a debugging record. The value has an arbitary
1033            meaning. */
1034 #define BSF_DEBUGGING   0x40
1035
1036          /* Used by the linker */
1037 #define BSF_KEEP        0x10000
1038 #define BSF_KEEP_G      0x80000
1039
1040          /* Unused */
1041 #define BSF_WEAK        0x100000
1042 #define BSF_CTOR        0x200000
1043
1044         /* This symbol was created to point to a section, e.g. ELF's
1045            STT_SECTION symbols.  */
1046 #define BSF_SECTION_SYM 0x400000
1047
1048          /* The symbol used to be a common symbol, but now it is
1049            allocated. */
1050 #define BSF_OLD_COMMON  0x800000
1051
1052          /* The default value for common data. */
1053 #define BFD_FORT_COMM_DEFAULT_VALUE 0
1054
1055          /* In some files the type of a symbol sometimes alters its
1056            location in an output file - ie in coff a <<ISFCN>> symbol
1057            which is also <<C_EXT>> symbol appears where it was
1058            declared and not at the end of a section.  This bit is set
1059            by the target BFD part to convey this information. */
1060
1061 #define BSF_NOT_AT_END    0x40000
1062
1063          /* Signal that the symbol is the label of constructor section. */
1064 #define BSF_CONSTRUCTOR   0x1000000
1065
1066          /* Signal that the symbol is a warning symbol. If the symbol
1067            is a warning symbol, then the value field (I know this is
1068            tacky) will point to the asymbol which when referenced will
1069            cause the warning. */
1070 #define BSF_WARNING       0x2000000
1071
1072          /* Signal that the symbol is indirect. The value of the symbol
1073            is a pointer to an undefined asymbol which contains the
1074            name to use instead. */
1075 #define BSF_INDIRECT      0x4000000
1076
1077          /* BSF_FILE marks symbols that contain a file name.  This is used
1078            for ELF STT_FILE symbols.  */
1079 #define BSF_FILE          0x08000000
1080
1081   flagword flags;
1082
1083          /* A pointer to the section to which this symbol is
1084            relative.  This will always be non NULL, there are special
1085           sections for undefined and absolute symbols */
1086   struct sec *section;
1087
1088          /* Back end special data. This is being phased out in favour
1089            of making this a union. */
1090   PTR udata;
1091
1092 } asymbol;
1093 #define get_symtab_upper_bound(abfd) \
1094      BFD_SEND (abfd, _get_symtab_upper_bound, (abfd))
1095 #define bfd_canonicalize_symtab(abfd, location) \
1096      BFD_SEND (abfd, _bfd_canonicalize_symtab,\
1097                   (abfd, location))
1098 boolean
1099 bfd_set_symtab  PARAMS ((bfd *, asymbol **, unsigned int ));
1100
1101 void
1102 bfd_print_symbol_vandf PARAMS ((PTR file, asymbol *symbol));
1103
1104 #define bfd_make_empty_symbol(abfd) \
1105      BFD_SEND (abfd, _bfd_make_empty_symbol, (abfd))
1106 #define bfd_make_debug_symbol(abfd,ptr,size) \
1107         BFD_SEND (abfd, _bfd_make_debug_symbol, (abfd, ptr, size))
1108 int
1109 bfd_decode_symclass PARAMS ((asymbol *symbol));
1110
1111 struct _bfd
1112 {
1113      /* The filename the application opened the BFD with.  */
1114     CONST char *filename;
1115
1116      /* A pointer to the target jump table.             */
1117     struct bfd_target *xvec;
1118
1119      /* To avoid dragging too many header files into every file that
1120        includes `<<bfd.h>>', IOSTREAM has been declared as a "char
1121        *", and MTIME as a "long".  Their correct types, to which they
1122        are cast when used, are "FILE *" and "time_t".    The iostream
1123        is the result of an fopen on the filename. */
1124     char *iostream;
1125
1126      /* Is the file being cached */
1127
1128     boolean cacheable;
1129
1130      /* Marks whether there was a default target specified when the
1131        BFD was opened. This is used to select what matching algorithm
1132        to use to chose the back end. */
1133
1134     boolean target_defaulted;
1135
1136      /* The caching routines use these to maintain a
1137        least-recently-used list of BFDs */
1138
1139     struct _bfd *lru_prev, *lru_next;
1140
1141      /* When a file is closed by the caching routines, BFD retains
1142        state information on the file here:
1143      */
1144
1145     file_ptr where;
1146
1147      /* and here:*/
1148
1149     boolean opened_once;
1150
1151      /* Set if we have a locally maintained mtime value, rather than
1152        getting it from the file each time: */
1153
1154     boolean mtime_set;
1155
1156      /* File modified time, if mtime_set is true: */
1157
1158     long mtime;
1159
1160      /* Reserved for an unimplemented file locking extension.*/
1161
1162     int ifd;
1163
1164      /* The format which belongs to the BFD.*/
1165
1166     bfd_format format;
1167
1168      /* The direction the BFD was opened with*/
1169
1170     enum bfd_direction {no_direction = 0,
1171                         read_direction = 1,
1172                         write_direction = 2,
1173                         both_direction = 3} direction;
1174
1175      /* Format_specific flags*/
1176
1177     flagword flags;
1178
1179      /* Currently my_archive is tested before adding origin to
1180        anything. I believe that this can become always an add of
1181        origin, with origin set to 0 for non archive files.   */
1182
1183     file_ptr origin;
1184
1185      /* Remember when output has begun, to stop strange things
1186        happening. */
1187     boolean output_has_begun;
1188
1189      /* Pointer to linked list of sections*/
1190     struct sec  *sections;
1191
1192      /* The number of sections */
1193     unsigned int section_count;
1194
1195      /* Stuff only useful for object files:
1196        The start address. */
1197     bfd_vma start_address;
1198
1199      /* Used for input and output*/
1200     unsigned int symcount;
1201
1202      /* Symbol table for output BFD*/
1203     struct symbol_cache_entry  **outsymbols;
1204
1205      /* Pointer to structure which contains architecture information*/
1206     struct bfd_arch_info *arch_info;
1207
1208      /* Stuff only useful for archives:*/
1209     PTR arelt_data;
1210     struct _bfd *my_archive;
1211     struct _bfd *next;
1212     struct _bfd *archive_head;
1213     boolean has_armap;
1214
1215      /* Used by the back end to hold private data. */
1216
1217     union
1218       {
1219       struct aout_data_struct *aout_data;
1220       struct artdata *aout_ar_data;
1221       struct _oasys_data *oasys_obj_data;
1222       struct _oasys_ar_data *oasys_ar_data;
1223       struct coff_tdata *coff_obj_data;
1224       struct ieee_data_struct *ieee_data;
1225       struct ieee_ar_data_struct *ieee_ar_data;
1226       struct srec_data_struct *srec_data;
1227       struct srec_data_struct *tekhex_data;
1228       struct elf_obj_tdata *elf_obj_data;
1229       struct bout_data_struct *bout_data;
1230       struct sun_core_struct *sun_core_data;
1231       struct trad_core_struct *trad_core_data;
1232       struct hppa_data_struct *hppa_data;
1233       PTR any;
1234       } tdata;
1235
1236      /* Used by the application to hold private data*/
1237     PTR usrdata;
1238
1239      /* Where all the allocated stuff under this BFD goes */
1240     struct obstack memory;
1241
1242      /* Is this really needed in addition to usrdata?  */
1243     asymbol **ld_symbols;
1244 };
1245
1246 unsigned int
1247 bfd_get_reloc_upper_bound PARAMS ((bfd *abfd, asection *sect));
1248
1249 unsigned int
1250 bfd_canonicalize_reloc
1251  PARAMS ((bfd *abfd,
1252     asection *sec,
1253     arelent **loc,
1254     asymbol     **syms));
1255
1256 boolean
1257 bfd_set_file_flags PARAMS ((bfd *abfd, flagword flags));
1258
1259 void
1260 bfd_set_reloc
1261  PARAMS ((bfd *abfd, asection *sec, arelent **rel, unsigned int count)
1262
1263     );
1264
1265 boolean
1266 bfd_set_start_address PARAMS ((bfd *, bfd_vma));
1267
1268 long
1269 bfd_get_mtime PARAMS ((bfd *));
1270
1271 #define bfd_sizeof_headers(abfd, reloc) \
1272      BFD_SEND (abfd, _bfd_sizeof_headers, (abfd, reloc))
1273
1274 #define bfd_find_nearest_line(abfd, sec, syms, off, file, func, line) \
1275      BFD_SEND (abfd, _bfd_find_nearest_line,  (abfd, sec, syms, off, file, func, line))
1276
1277         /* Do these three do anything useful at all, for any back end?  */
1278 #define bfd_debug_info_start(abfd) \
1279         BFD_SEND (abfd, _bfd_debug_info_start, (abfd))
1280
1281 #define bfd_debug_info_end(abfd) \
1282         BFD_SEND (abfd, _bfd_debug_info_end, (abfd))
1283
1284 #define bfd_debug_info_accumulate(abfd, section) \
1285         BFD_SEND (abfd, _bfd_debug_info_accumulate, (abfd, section))
1286
1287
1288 #define bfd_stat_arch_elt(abfd, stat) \
1289         BFD_SEND (abfd, _bfd_stat_arch_elt,(abfd, stat))
1290
1291 #define bfd_coff_swap_aux_in(a,e,t,c,i) \
1292         BFD_SEND (a, _bfd_coff_swap_aux_in, (a,e,t,c,i))
1293
1294 #define bfd_coff_swap_sym_in(a,e,i) \
1295         BFD_SEND (a, _bfd_coff_swap_sym_in, (a,e,i))
1296
1297 #define bfd_coff_swap_lineno_in(a,e,i) \
1298         BFD_SEND ( a, _bfd_coff_swap_lineno_in, (a,e,i))
1299
1300 #define bfd_set_arch_mach(abfd, arch, mach)\
1301         BFD_SEND ( abfd, _bfd_set_arch_mach, (abfd, arch, mach))
1302
1303 #define bfd_coff_swap_reloc_out(abfd, i, o) \
1304         BFD_SEND (abfd, _bfd_coff_swap_reloc_out, (abfd, i, o))
1305
1306 #define bfd_coff_swap_lineno_out(abfd, i, o) \
1307         BFD_SEND (abfd, _bfd_coff_swap_lineno_out, (abfd, i, o))
1308
1309 #define bfd_coff_swap_aux_out(abfd, i, t,c,o) \
1310         BFD_SEND (abfd, _bfd_coff_swap_aux_out, (abfd, i,t,c, o))
1311
1312 #define bfd_coff_swap_sym_out(abfd, i,o) \
1313         BFD_SEND (abfd, _bfd_coff_swap_sym_out, (abfd, i, o))
1314
1315 #define bfd_coff_swap_scnhdr_out(abfd, i,o) \
1316         BFD_SEND (abfd, _bfd_coff_swap_scnhdr_out, (abfd, i, o))
1317
1318 #define bfd_coff_swap_filehdr_out(abfd, i,o) \
1319         BFD_SEND (abfd, _bfd_coff_swap_filehdr_out, (abfd, i, o))
1320
1321 #define bfd_coff_swap_aouthdr_out(abfd, i,o) \
1322         BFD_SEND (abfd, _bfd_coff_swap_aouthdr_out, (abfd, i, o))
1323
1324 #define bfd_get_relocated_section_contents(abfd, seclet, data) \
1325         BFD_SEND (abfd, _bfd_get_relocated_section_contents, (abfd, seclet, data))
1326
1327 #define bfd_relax_section(abfd, section, symbols) \
1328        BFD_SEND (abfd, _bfd_relax_section, (abfd, section, symbols))
1329 symindex
1330 bfd_get_next_mapent PARAMS ((bfd *, symindex previous, carsym ** sym));
1331
1332 boolean
1333 bfd_set_archive_head PARAMS ((bfd *output, bfd *new_head));
1334
1335 bfd *
1336 bfd_get_elt_at_index PARAMS ((bfd * archive, int index));
1337
1338 bfd*
1339 bfd_openr_next_archived_file PARAMS ((bfd *archive, bfd *previous));
1340
1341 CONST char *
1342 bfd_core_file_failing_command PARAMS ((bfd *));
1343
1344 int
1345 bfd_core_file_failing_signal PARAMS ((bfd *));
1346
1347 boolean
1348 core_file_matches_executable_p
1349  PARAMS ((bfd *core_bfd, bfd *exec_bfd));
1350
1351 #define SDEF(ret, name, arglist) \
1352                 PROTO(ret,(*name),arglist)
1353 #define SDEF_FMT(ret, name, arglist) \
1354                 PROTO(ret,(*name[bfd_type_end]),arglist)
1355 #define BFD_SEND(bfd, message, arglist) \
1356                ((*((bfd)->xvec->message)) arglist)
1357 #define BFD_SEND_FMT(bfd, message, arglist) \
1358             (((bfd)->xvec->message[(int)((bfd)->format)]) arglist)
1359 typedef struct bfd_target
1360 {
1361   char *name;
1362   enum target_flavour {
1363     bfd_target_unknown_flavour,
1364     bfd_target_aout_flavour,
1365     bfd_target_coff_flavour,
1366     bfd_target_elf_flavour,
1367     bfd_target_ieee_flavour,
1368     bfd_target_oasys_flavour,
1369     bfd_target_tekhex_flavour,
1370     bfd_target_srec_flavour,
1371     bfd_target_hppa_flavour} flavour;
1372   boolean byteorder_big_p;
1373   boolean header_byteorder_big_p;
1374   flagword object_flags;
1375   flagword section_flags;
1376   char symbol_leading_char;
1377   char ar_pad_char;
1378  unsigned short ar_max_namelen;
1379   unsigned int align_power_min;
1380   SDEF (bfd_vma,      bfd_getx64, (bfd_byte *));
1381   SDEF (void,         bfd_putx64, (bfd_vma, bfd_byte *));
1382   SDEF (bfd_vma, bfd_getx32, (bfd_byte *));
1383   SDEF (void,         bfd_putx32, (bfd_vma, bfd_byte *));
1384   SDEF (bfd_vma, bfd_getx16, (bfd_byte *));
1385   SDEF (void,         bfd_putx16, (bfd_vma, bfd_byte *));
1386   SDEF (bfd_vma,   bfd_h_getx64, (bfd_byte *));
1387   SDEF (void,          bfd_h_putx64, (bfd_vma, bfd_byte *));
1388   SDEF (bfd_vma,  bfd_h_getx32, (bfd_byte *));
1389   SDEF (void,          bfd_h_putx32, (bfd_vma, bfd_byte *));
1390   SDEF (bfd_vma,  bfd_h_getx16, (bfd_byte *));
1391   SDEF (void,          bfd_h_putx16, (bfd_vma, bfd_byte *));
1392   SDEF_FMT (struct bfd_target *, _bfd_check_format, (bfd *));
1393   SDEF_FMT (boolean,            _bfd_set_format, (bfd *));
1394   SDEF_FMT (boolean,            _bfd_write_contents, (bfd *));
1395   SDEF (char *, _core_file_failing_command, (bfd *));
1396   SDEF (int,    _core_file_failing_signal, (bfd *));
1397   SDEF (boolean, _core_file_matches_executable_p, (bfd *, bfd *));
1398  SDEF (boolean, _bfd_slurp_armap, (bfd *));
1399  SDEF (boolean, _bfd_slurp_extended_name_table, (bfd *));
1400  SDEF (void,   _bfd_truncate_arname, (bfd *, CONST char *, char *));
1401  SDEF (boolean, write_armap, (bfd *arch,
1402                               unsigned int elength,
1403                               struct orl *map,
1404                               unsigned int orl_count,
1405                               int stridx));
1406   SDEF (boolean, _close_and_cleanup, (bfd *));
1407   SDEF (boolean, _bfd_set_section_contents, (bfd *, sec_ptr, PTR,
1408                                             file_ptr, bfd_size_type));
1409   SDEF (boolean, _bfd_get_section_contents, (bfd *, sec_ptr, PTR,
1410                                             file_ptr, bfd_size_type));
1411   SDEF (boolean, _new_section_hook, (bfd *, sec_ptr));
1412   SDEF (unsigned int, _get_symtab_upper_bound, (bfd *));
1413   SDEF (unsigned int, _bfd_canonicalize_symtab,
1414            (bfd *, struct symbol_cache_entry **));
1415   SDEF (unsigned int, _get_reloc_upper_bound, (bfd *, sec_ptr));
1416   SDEF (unsigned int, _bfd_canonicalize_reloc, (bfd *, sec_ptr, arelent **,
1417                                                struct symbol_cache_entry**));
1418   SDEF (struct symbol_cache_entry  *, _bfd_make_empty_symbol, (bfd *));
1419   SDEF (void,     _bfd_print_symbol, (bfd *, PTR, struct symbol_cache_entry  *,
1420                                       bfd_print_symbol_type));
1421 #define bfd_print_symbol(b,p,s,e) BFD_SEND(b, _bfd_print_symbol, (b,p,s,e))
1422   SDEF (alent *,   _get_lineno, (bfd *, struct symbol_cache_entry  *));
1423
1424   SDEF (boolean,   _bfd_set_arch_mach, (bfd *, enum bfd_architecture,
1425                                        unsigned long));
1426
1427   SDEF (bfd *,  openr_next_archived_file, (bfd *arch, bfd *prev));
1428   SDEF (boolean, _bfd_find_nearest_line,
1429         (bfd *abfd, struct sec  *section,
1430          struct symbol_cache_entry  **symbols,bfd_vma offset,
1431         CONST char **file, CONST char **func, unsigned int *line));
1432   SDEF (int,    _bfd_stat_arch_elt, (bfd *, struct stat *));
1433
1434   SDEF (int,    _bfd_sizeof_headers, (bfd *, boolean));
1435
1436   SDEF (void, _bfd_debug_info_start, (bfd *));
1437   SDEF (void, _bfd_debug_info_end, (bfd *));
1438   SDEF (void, _bfd_debug_info_accumulate, (bfd *, struct sec  *));
1439   SDEF (bfd_byte *, _bfd_get_relocated_section_contents, (bfd*,struct bfd_seclet_struct *, bfd_byte *data));
1440   SDEF (boolean,_bfd_relax_section,(bfd *, struct sec *, struct symbol_cache_entry **));
1441   SDEF(void, _bfd_coff_swap_aux_in,(
1442        bfd            *abfd ,
1443        PTR             ext,
1444        int             type,
1445        int             class ,
1446        PTR             in));
1447
1448   SDEF(void, _bfd_coff_swap_sym_in,(
1449        bfd            *abfd ,
1450        PTR             ext,
1451        PTR             in));
1452
1453   SDEF(void, _bfd_coff_swap_lineno_in,  (
1454        bfd            *abfd,
1455        PTR            ext,
1456        PTR             in));
1457
1458  SDEF(unsigned int, _bfd_coff_swap_aux_out,(
1459        bfd      *abfd,
1460        PTR      in,
1461        int      type,
1462        int      class,
1463        PTR      ext));
1464
1465  SDEF(unsigned int, _bfd_coff_swap_sym_out,(
1466       bfd      *abfd,
1467       PTR       in,
1468       PTR       ext));
1469
1470  SDEF(unsigned int, _bfd_coff_swap_lineno_out,(
1471         bfd     *abfd,
1472         PTR     in,
1473         PTR     ext));
1474
1475  SDEF(unsigned int, _bfd_coff_swap_reloc_out,(
1476         bfd     *abfd,
1477         PTR     src,
1478         PTR     dst));
1479
1480  SDEF(unsigned int, _bfd_coff_swap_filehdr_out,(
1481         bfd     *abfd,
1482         PTR     in,
1483         PTR     out));
1484
1485  SDEF(unsigned int, _bfd_coff_swap_aouthdr_out,(
1486         bfd     *abfd,
1487         PTR     in,
1488         PTR     out));
1489
1490  SDEF(unsigned int, _bfd_coff_swap_scnhdr_out,(
1491         bfd     *abfd,
1492         PTR     in,
1493         PTR     out));
1494
1495   /* See documentation on reloc types.  */
1496  SDEF (CONST struct reloc_howto_struct *,
1497        reloc_type_lookup,
1498        (bfd *abfd, bfd_reloc_code_real_type code));
1499
1500   /* Complete and utter crock, currently used for the assembler
1501     when creating COFF files.  */
1502  SDEF (asymbol *, _bfd_make_debug_symbol, (
1503        bfd *abfd,
1504        void *ptr,
1505        unsigned long size));
1506  PTR backend_data;
1507 } bfd_target;
1508 bfd_target *
1509 bfd_find_target PARAMS ((CONST char *, bfd *));
1510
1511 CONST char **
1512 bfd_target_list PARAMS ((void));
1513
1514 boolean
1515 bfd_check_format PARAMS ((bfd *abfd, bfd_format format));
1516
1517 boolean
1518 bfd_set_format PARAMS ((bfd *, bfd_format));
1519
1520 CONST char *
1521 bfd_format_string PARAMS ((bfd_format));
1522
1523 #endif