bfd/bfd-in.h

   1 /* Main header file for the bfd library -- portable access to object files.
   2
   3    Copyright (C) 1990-2019 Free Software Foundation, Inc.
   4
   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 3 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
  22
  23 #ifndef __BFD_H_SEEN__
  24 #define __BFD_H_SEEN__
  25
  26 /* PR 14072: Ensure that config.h is included first.  */
  27 #if !defined PACKAGE && !defined PACKAGE_VERSION
  28 #error config.h must be included before this header
  29 #endif
  30
  31 #ifdef __cplusplus
  32 extern "C" {
  33 #endif
  34
  35 #include "ansidecl.h"
  36 #include "symcat.h"
  37 #include "bfd_stdint.h"
  38 #include "diagnostics.h"
  39 #include <stdarg.h>
  40 #include <sys/stat.h>
  41
  42 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
  43 #ifndef SABER
  44 /* This hack is to avoid a problem with some strict ANSI C preprocessors.
  45    The problem is, "32_" is not a valid preprocessing token, and we don't
  46    want extra underscores (e.g., "nlm_32_").  The XCONCAT2 macro will
  47    cause the inner CONCAT2 macros to be evaluated first, producing
  48    still-valid pp-tokens.  Then the final concatenation can be done.  */
  49 #undef CONCAT4
  50 #define CONCAT4(a,b,c,d) XCONCAT2(CONCAT2(a,b),CONCAT2(c,d))
  51 #endif
  52 #endif
  53
  54 /* This is a utility macro to handle the situation where the code
  55    wants to place a constant string into the code, followed by a
  56    comma and then the length of the string.  Doing this by hand
  57    is error prone, so using this macro is safer.  */
  58 #define STRING_COMMA_LEN(STR) (STR), (sizeof (STR) - 1)
  59 /* Unfortunately it is not possible to use the STRING_COMMA_LEN macro
  60    to create the arguments to another macro, since the preprocessor
  61    will mis-count the number of arguments to the outer macro (by not
  62    evaluating STRING_COMMA_LEN and so missing the comma).  This is a
  63    problem for example when trying to use STRING_COMMA_LEN to build
  64    the arguments to the strncmp() macro.  Hence this alternative
  65    definition of strncmp is provided here.
  66
  67    Note - these macros do NOT work if STR2 is not a constant string.  */
  68 #define CONST_STRNEQ(STR1,STR2) (strncmp ((STR1), (STR2), sizeof (STR2) - 1) == 0)
  69   /* strcpy() can have a similar problem, but since we know we are
  70      copying a constant string, we can use memcpy which will be faster
  71      since there is no need to check for a NUL byte inside STR.  We
  72      can also save time if we do not need to copy the terminating NUL.  */
  73 #define LITMEMCPY(DEST,STR2) memcpy ((DEST), (STR2), sizeof (STR2) - 1)
  74 #define LITSTRCPY(DEST,STR2) memcpy ((DEST), (STR2), sizeof (STR2))
  75
  76
  77 #define BFD_SUPPORTS_PLUGINS @supports_plugins@
  78
  79 /* The word size used by BFD on the host.  This may be 64 with a 32
  80    bit target if the host is 64 bit, or if other 64 bit targets have
  81    been selected with --enable-targets, or if --enable-64-bit-bfd.  */
  82 #define BFD_ARCH_SIZE @wordsize@
  83
  84 /* The word size of the default bfd target.  */
  85 #define BFD_DEFAULT_TARGET_SIZE @bfd_default_target_size@
  86
  87 #define BFD_HOST_64BIT_LONG @BFD_HOST_64BIT_LONG@
  88 #define BFD_HOST_64BIT_LONG_LONG @BFD_HOST_64BIT_LONG_LONG@
  89 #if @BFD_HOST_64_BIT_DEFINED@
  90 #define BFD_HOST_64_BIT @BFD_HOST_64_BIT@
  91 #define BFD_HOST_U_64_BIT @BFD_HOST_U_64_BIT@
  92 typedef BFD_HOST_64_BIT bfd_int64_t;
  93 typedef BFD_HOST_U_64_BIT bfd_uint64_t;
  94 #endif
  95
  96 #ifdef HAVE_INTTYPES_H
  97 # include <inttypes.h>
  98 #else
  99 # if BFD_HOST_64BIT_LONG
 100 #  define BFD_PRI64 "l"
 101 # elif defined (__MSVCRT__)
 102 #  define BFD_PRI64 "I64"
 103 # else
 104 #  define BFD_PRI64 "ll"
 105 # endif
 106 # undef PRId64
 107 # define PRId64 BFD_PRI64 "d"
 108 # undef PRIu64
 109 # define PRIu64 BFD_PRI64 "u"
 110 # undef PRIx64
 111 # define PRIx64 BFD_PRI64 "x"
 112 #endif
 113
 114 #if BFD_ARCH_SIZE >= 64
 115 #define BFD64
 116 #endif
 117
 118 #ifndef INLINE
 119 #if __GNUC__ >= 2
 120 #define INLINE __inline__
 121 #else
 122 #define INLINE
 123 #endif
 124 #endif
 125
 126 /* Declaring a type wide enough to hold a host long and a host pointer.  */
 127 #define BFD_HOSTPTR_T @BFD_HOSTPTR_T@
 128 typedef BFD_HOSTPTR_T bfd_hostptr_t;
 129
 130 /* Forward declaration.  */
 131 typedef struct bfd bfd;
 132
 133 /* Boolean type used in bfd.  Too many systems define their own
 134    versions of "boolean" for us to safely typedef a "boolean" of
 135    our own.  Using an enum for "bfd_boolean" has its own set of
 136    problems, with strange looking casts required to avoid warnings
 137    on some older compilers.  Thus we just use an int.
 138
 139    General rule: Functions which are bfd_boolean return TRUE on
 140    success and FALSE on failure (unless they're a predicate).  */
 141
 142 typedef int bfd_boolean;
 143 #undef FALSE
 144 #undef TRUE
 145 #define FALSE 0
 146 #define TRUE 1
 147
 148 #ifdef BFD64
 149
 150 #ifndef BFD_HOST_64_BIT
 151  #error No 64 bit integer type available
 152 #endif /* ! defined (BFD_HOST_64_BIT) */
 153
 154 typedef BFD_HOST_U_64_BIT bfd_vma;
 155 typedef BFD_HOST_64_BIT bfd_signed_vma;
 156 typedef BFD_HOST_U_64_BIT bfd_size_type;
 157 typedef BFD_HOST_U_64_BIT symvalue;
 158
 159 #if BFD_HOST_64BIT_LONG
 160 #define BFD_VMA_FMT "l"
 161 #elif defined (__MSVCRT__)
 162 #define BFD_VMA_FMT "I64"
 163 #else
 164 #define BFD_VMA_FMT "ll"
 165 #endif
 166
 167 #ifndef fprintf_vma
 168 #define sprintf_vma(s,x) sprintf (s, "%016" BFD_VMA_FMT "x", x)
 169 #define fprintf_vma(f,x) fprintf (f, "%016" BFD_VMA_FMT "x", x)
 170 #endif
 171
 172 #else /* not BFD64  */
 173
 174 /* Represent a target address.  Also used as a generic unsigned type
 175    which is guaranteed to be big enough to hold any arithmetic types
 176    we need to deal with.  */
 177 typedef unsigned long bfd_vma;
 178
 179 /* A generic signed type which is guaranteed to be big enough to hold any
 180    arithmetic types we need to deal with.  Can be assumed to be compatible
 181    with bfd_vma in the same way that signed and unsigned ints are compatible
 182    (as parameters, in assignment, etc).  */
 183 typedef long bfd_signed_vma;
 184
 185 typedef unsigned long symvalue;
 186 typedef unsigned long bfd_size_type;
 187
 188 /* Print a bfd_vma x on stream s.  */
 189 #define BFD_VMA_FMT "l"
 190 #define fprintf_vma(s,x) fprintf (s, "%08" BFD_VMA_FMT "x", x)
 191 #define sprintf_vma(s,x) sprintf (s, "%08" BFD_VMA_FMT "x", x)
 192
 193 #endif /* not BFD64  */
 194
 195 #define HALF_BFD_SIZE_TYPE \
 196   (((bfd_size_type) 1) << (8 * sizeof (bfd_size_type) / 2))
 197
 198 #ifndef BFD_HOST_64_BIT
 199 /* Fall back on a 32 bit type.  The idea is to make these types always
 200    available for function return types, but in the case that
 201    BFD_HOST_64_BIT is undefined such a function should abort or
 202    otherwise signal an error.  */
 203 typedef bfd_signed_vma bfd_int64_t;
 204 typedef bfd_vma bfd_uint64_t;
 205 #endif
 206
 207 /* An offset into a file.  BFD always uses the largest possible offset
 208    based on the build time availability of fseek, fseeko, or fseeko64.  */
 209 typedef @bfd_file_ptr@ file_ptr;
 210 typedef unsigned @bfd_file_ptr@ ufile_ptr;
 211
 212 extern void bfd_sprintf_vma (bfd *, char *, bfd_vma);
 213 extern void bfd_fprintf_vma (bfd *, void *, bfd_vma);
 214
 215 #define printf_vma(x) fprintf_vma(stdout,x)
 216 #define bfd_printf_vma(abfd,x) bfd_fprintf_vma (abfd,stdout,x)
 217
 218 typedef unsigned int flagword;  /* 32 bits of flags */
 219 typedef unsigned char bfd_byte;
 220 \f
 221 /* File formats.  */
 222
 223 typedef enum bfd_format
 224 {
 225   bfd_unknown = 0,      /* File format is unknown.  */
 226   bfd_object,           /* Linker/assembler/compiler output.  */
 227   bfd_archive,          /* Object archive file.  */
 228   bfd_core,             /* Core dump.  */
 229   bfd_type_end          /* Marks the end; don't use it!  */
 230 }
 231 bfd_format;
 232 \f
 233 /* Symbols and relocation.  */
 234
 235 /* A count of carsyms (canonical archive symbols).  */
 236 typedef unsigned long symindex;
 237
 238 #define BFD_NO_MORE_SYMBOLS ((symindex) ~0)
 239
 240 /* General purpose part of a symbol X;
 241    target specific parts are in libcoff.h, libaout.h, etc.  */
 242
 243 #define bfd_asymbol_section(sy) ((sy)->section)
 244 #define bfd_asymbol_value(sy) ((sy)->section->vma + (sy)->value)
 245 #define bfd_asymbol_name(sy) ((sy)->name)
 246 #define bfd_asymbol_bfd(sy) ((sy)->the_bfd)
 247 #define bfd_asymbol_flavour(sy)                 \
 248   (((sy)->flags & BSF_SYNTHETIC) != 0           \
 249    ? bfd_target_unknown_flavour                 \
 250    : (sy)->the_bfd->xvec->flavour)
 251 #define bfd_set_asymbol_name(sy, n) do { (sy)->name = (n); } while (0)
 252
 253 /* A canonical archive symbol.  */
 254 /* This is a type pun with struct ranlib on purpose!  */
 255 typedef struct carsym
 256 {
 257   const char *name;
 258   file_ptr file_offset; /* Look here to find the file.  */
 259 }
 260 carsym;                 /* To make these you call a carsymogen.  */
 261
 262 /* Used in generating armaps (archive tables of contents).
 263    Perhaps just a forward definition would do?  */
 264 struct orl              /* Output ranlib.  */
 265 {
 266   char **name;          /* Symbol name.  */
 267   union
 268   {
 269     file_ptr pos;
 270     bfd *abfd;
 271   } u;                  /* bfd* or file position.  */
 272   int namidx;           /* Index into string table.  */
 273 };
 274
 275 /* Linenumber stuff.  */
 276 typedef struct lineno_cache_entry
 277 {
 278   unsigned int line_number;     /* Linenumber from start of function.  */
 279   union
 280   {
 281     struct bfd_symbol *sym;     /* Function name.  */
 282     bfd_vma offset;             /* Offset into section.  */
 283   } u;
 284 }
 285 alent;
 286 \f
 287 /* Object and core file sections.  */
 288 typedef struct bfd_section *sec_ptr;
 289
 290 #define align_power(addr, align)        \
 291   (((addr) + ((bfd_vma) 1 << (align)) - 1) & (-((bfd_vma) 1 << (align))))
 292
 293 /* Align an address upward to a boundary, expressed as a number of bytes.
 294    E.g. align to an 8-byte boundary with argument of 8.  Take care never
 295    to wrap around if the address is within boundary-1 of the end of the
 296    address space.  */
 297 #define BFD_ALIGN(this, boundary)                                         \
 298   ((((bfd_vma) (this) + (boundary) - 1) >= (bfd_vma) (this))              \
 299    ? (((bfd_vma) (this) + ((boundary) - 1)) & ~ (bfd_vma) ((boundary)-1)) \
 300    : ~ (bfd_vma) 0)
 301
 302 #define bfd_get_section_name(bfd, ptr) ((void) bfd, (ptr)->name)
 303 #define bfd_get_section_vma(bfd, ptr) ((void) bfd, (ptr)->vma)
 304 #define bfd_get_section_lma(bfd, ptr) ((void) bfd, (ptr)->lma)
 305 #define bfd_get_section_alignment(bfd, ptr) ((void) bfd, \
 306                                              (ptr)->alignment_power)
 307 #define bfd_section_name(bfd, ptr) ((ptr)->name)
 308 #define bfd_section_size(bfd, ptr) ((ptr)->size)
 309 #define bfd_get_section_size(ptr) ((ptr)->size)
 310 #define bfd_section_vma(bfd, ptr) ((ptr)->vma)
 311 #define bfd_section_lma(bfd, ptr) ((ptr)->lma)
 312 #define bfd_section_alignment(bfd, ptr) ((ptr)->alignment_power)
 313 #define bfd_get_section_flags(bfd, ptr) ((void) bfd, (ptr)->flags)
 314 #define bfd_get_section_userdata(bfd, ptr) ((void) bfd, (ptr)->userdata)
 315
 316 #define bfd_is_com_section(ptr) (((ptr)->flags & SEC_IS_COMMON) != 0)
 317
 318 #define bfd_get_section_limit_octets(bfd, sec)                  \
 319   ((bfd)->direction != write_direction && (sec)->rawsize != 0   \
 320    ? (sec)->rawsize : (sec)->size)
 321
 322 /* Find the address one past the end of SEC.  */
 323 #define bfd_get_section_limit(bfd, sec) \
 324   (bfd_get_section_limit_octets(bfd, sec) / bfd_octets_per_byte (bfd))
 325
 326 /* Return TRUE if input section SEC has been discarded.  */
 327 #define discarded_section(sec)                          \
 328   (!bfd_is_abs_section (sec)                                    \
 329    && bfd_is_abs_section ((sec)->output_section)                \
 330    && (sec)->sec_info_type != SEC_INFO_TYPE_MERGE               \
 331    && (sec)->sec_info_type != SEC_INFO_TYPE_JUST_SYMS)
 332 \f
 333 typedef enum bfd_print_symbol
 334 {
 335   bfd_print_symbol_name,
 336   bfd_print_symbol_more,
 337   bfd_print_symbol_all
 338 } bfd_print_symbol_type;
 339
 340 /* Information about a symbol that nm needs.  */
 341
 342 typedef struct _symbol_info
 343 {
 344   symvalue value;
 345   char type;
 346   const char *name;             /* Symbol name.  */
 347   unsigned char stab_type;      /* Stab type.  */
 348   char stab_other;              /* Stab other.  */
 349   short stab_desc;              /* Stab desc.  */
 350   const char *stab_name;        /* String for stab type.  */
 351 } symbol_info;
 352
 353 /* Get the name of a stabs type code.  */
 354
 355 extern const char *bfd_get_stab_name (int);
 356 \f
 357 /* Hash table routines.  There is no way to free up a hash table.  */
 358
 359 /* An element in the hash table.  Most uses will actually use a larger
 360    structure, and an instance of this will be the first field.  */
 361
 362 struct bfd_hash_entry
 363 {
 364   /* Next entry for this hash code.  */
 365   struct bfd_hash_entry *next;
 366   /* String being hashed.  */
 367   const char *string;
 368   /* Hash code.  This is the full hash code, not the index into the
 369      table.  */
 370   unsigned long hash;
 371 };
 372
 373 /* A hash table.  */
 374
 375 struct bfd_hash_table
 376 {
 377   /* The hash array.  */
 378   struct bfd_hash_entry **table;
 379   /* A function used to create new elements in the hash table.  The
 380      first entry is itself a pointer to an element.  When this
 381      function is first invoked, this pointer will be NULL.  However,
 382      having the pointer permits a hierarchy of method functions to be
 383      built each of which calls the function in the superclass.  Thus
 384      each function should be written to allocate a new block of memory
 385      only if the argument is NULL.  */
 386   struct bfd_hash_entry *(*newfunc)
 387     (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
 388   /* An objalloc for this hash table.  This is a struct objalloc *,
 389      but we use void * to avoid requiring the inclusion of objalloc.h.  */
 390   void *memory;
 391   /* The number of slots in the hash table.  */
 392   unsigned int size;
 393   /* The number of entries in the hash table.  */
 394   unsigned int count;
 395   /* The size of elements.  */
 396   unsigned int entsize;
 397   /* If non-zero, don't grow the hash table.  */
 398   unsigned int frozen:1;
 399 };
 400
 401 /* Initialize a hash table.  */
 402 extern bfd_boolean bfd_hash_table_init
 403   (struct bfd_hash_table *,
 404    struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 405                                struct bfd_hash_table *,
 406                                const char *),
 407    unsigned int);
 408
 409 /* Initialize a hash table specifying a size.  */
 410 extern bfd_boolean bfd_hash_table_init_n
 411   (struct bfd_hash_table *,
 412    struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 413                                struct bfd_hash_table *,
 414                                const char *),
 415    unsigned int, unsigned int);
 416
 417 /* Free up a hash table.  */
 418 extern void bfd_hash_table_free
 419   (struct bfd_hash_table *);
 420
 421 /* Look up a string in a hash table.  If CREATE is TRUE, a new entry
 422    will be created for this string if one does not already exist.  The
 423    COPY argument must be TRUE if this routine should copy the string
 424    into newly allocated memory when adding an entry.  */
 425 extern struct bfd_hash_entry *bfd_hash_lookup
 426   (struct bfd_hash_table *, const char *, bfd_boolean create,
 427    bfd_boolean copy);
 428
 429 /* Insert an entry in a hash table.  */
 430 extern struct bfd_hash_entry *bfd_hash_insert
 431   (struct bfd_hash_table *, const char *, unsigned long);
 432
 433 /* Rename an entry in a hash table.  */
 434 extern void bfd_hash_rename
 435   (struct bfd_hash_table *, const char *, struct bfd_hash_entry *);
 436
 437 /* Replace an entry in a hash table.  */
 438 extern void bfd_hash_replace
 439   (struct bfd_hash_table *, struct bfd_hash_entry *old,
 440    struct bfd_hash_entry *nw);
 441
 442 /* Base method for creating a hash table entry.  */
 443 extern struct bfd_hash_entry *bfd_hash_newfunc
 444   (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
 445
 446 /* Grab some space for a hash table entry.  */
 447 extern void *bfd_hash_allocate
 448   (struct bfd_hash_table *, unsigned int);
 449
 450 /* Traverse a hash table in a random order, calling a function on each
 451    element.  If the function returns FALSE, the traversal stops.  The
 452    INFO argument is passed to the function.  */
 453 extern void bfd_hash_traverse
 454   (struct bfd_hash_table *,
 455    bfd_boolean (*) (struct bfd_hash_entry *, void *),
 456    void *info);
 457
 458 /* Allows the default size of a hash table to be configured. New hash
 459    tables allocated using bfd_hash_table_init will be created with
 460    this size.  */
 461 extern unsigned long bfd_hash_set_default_size (unsigned long);
 462
 463 /* Types of compressed DWARF debug sections.  We currently support
 464    zlib.  */
 465 enum compressed_debug_section_type
 466 {
 467   COMPRESS_DEBUG_NONE = 0,
 468   COMPRESS_DEBUG = 1 << 0,
 469   COMPRESS_DEBUG_GNU_ZLIB = COMPRESS_DEBUG | 1 << 1,
 470   COMPRESS_DEBUG_GABI_ZLIB = COMPRESS_DEBUG | 1 << 2
 471 };
 472
 473 /* This structure is used to keep track of stabs in sections
 474    information while linking.  */
 475
 476 struct stab_info
 477 {
 478   /* A hash table used to hold stabs strings.  */
 479   struct bfd_strtab_hash *strings;
 480   /* The header file hash table.  */
 481   struct bfd_hash_table includes;
 482   /* The first .stabstr section.  */
 483   struct bfd_section *stabstr;
 484 };
 485
 486 #define COFF_SWAP_TABLE (void *) &bfd_coff_std_swap_table
 487
 488 /* User program access to BFD facilities.  */
 489
 490 /* Direct I/O routines, for programs which know more about the object
 491    file than BFD does.  Use higher level routines if possible.  */
 492
 493 extern bfd_size_type bfd_bread (void *, bfd_size_type, bfd *);
 494 extern bfd_size_type bfd_bwrite (const void *, bfd_size_type, bfd *);
 495 extern int bfd_seek (bfd *, file_ptr, int);
 496 extern file_ptr bfd_tell (bfd *);
 497 extern int bfd_flush (bfd *);
 498 extern int bfd_stat (bfd *, struct stat *);
 499
 500 /* Deprecated old routines.  */
 501 #if __GNUC__
 502 #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD)                            \
 503   (_bfd_warn_deprecated ("bfd_read", __FILE__, __LINE__, __FUNCTION__), \
 504    bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
 505 #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD)                           \
 506   (_bfd_warn_deprecated ("bfd_write", __FILE__, __LINE__, __FUNCTION__), \
 507    bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
 508 #else
 509 #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD)                            \
 510   (_bfd_warn_deprecated ("bfd_read", (const char *) 0, 0, (const char *) 0), \
 511    bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
 512 #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD)                           \
 513   (_bfd_warn_deprecated ("bfd_write", (const char *) 0, 0, (const char *) 0),\
 514    bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
 515 #endif
 516 extern void _bfd_warn_deprecated (const char *, const char *, int, const char *);
 517
 518 #define bfd_get_filename(abfd) ((abfd)->filename)
 519 #define bfd_get_cacheable(abfd) ((abfd)->cacheable)
 520 #define bfd_get_format(abfd) ((abfd)->format)
 521 #define bfd_get_target(abfd) ((abfd)->xvec->name)
 522 #define bfd_get_flavour(abfd) ((abfd)->xvec->flavour)
 523 #define bfd_family_coff(abfd) \
 524   (bfd_get_flavour (abfd) == bfd_target_coff_flavour || \
 525    bfd_get_flavour (abfd) == bfd_target_xcoff_flavour)
 526 #define bfd_big_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_BIG)
 527 #define bfd_little_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_LITTLE)
 528 #define bfd_header_big_endian(abfd) \
 529   ((abfd)->xvec->header_byteorder == BFD_ENDIAN_BIG)
 530 #define bfd_header_little_endian(abfd) \
 531   ((abfd)->xvec->header_byteorder == BFD_ENDIAN_LITTLE)
 532 #define bfd_get_file_flags(abfd) ((abfd)->flags)
 533 #define bfd_applicable_file_flags(abfd) ((abfd)->xvec->object_flags)
 534 #define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags)
 535 #define bfd_has_map(abfd) ((abfd)->has_armap)
 536 #define bfd_is_thin_archive(abfd) ((abfd)->is_thin_archive)
 537
 538 #define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types)
 539 #define bfd_usrdata(abfd) ((abfd)->usrdata)
 540
 541 #define bfd_get_start_address(abfd) ((abfd)->start_address)
 542 #define bfd_get_symcount(abfd) ((abfd)->symcount)
 543 #define bfd_get_outsymbols(abfd) ((abfd)->outsymbols)
 544 #define bfd_count_sections(abfd) ((abfd)->section_count)
 545
 546 #define bfd_get_dynamic_symcount(abfd) ((abfd)->dynsymcount)
 547
 548 #define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char)
 549
 550 extern bfd_boolean bfd_cache_close
 551   (bfd *abfd);
 552 /* NB: This declaration should match the autogenerated one in libbfd.h.  */
 553
 554 extern bfd_boolean bfd_cache_close_all (void);
 555
 556 extern bfd_boolean bfd_record_phdr
 557   (bfd *, unsigned long, bfd_boolean, flagword, bfd_boolean, bfd_vma,
 558    bfd_boolean, bfd_boolean, unsigned int, struct bfd_section **);
 559
 560 /* Byte swapping routines.  */
 561
 562 bfd_uint64_t bfd_getb64 (const void *);
 563 bfd_uint64_t bfd_getl64 (const void *);
 564 bfd_int64_t bfd_getb_signed_64 (const void *);
 565 bfd_int64_t bfd_getl_signed_64 (const void *);
 566 bfd_vma bfd_getb32 (const void *);
 567 bfd_vma bfd_getl32 (const void *);
 568 bfd_signed_vma bfd_getb_signed_32 (const void *);
 569 bfd_signed_vma bfd_getl_signed_32 (const void *);
 570 bfd_vma bfd_getb16 (const void *);
 571 bfd_vma bfd_getl16 (const void *);
 572 bfd_signed_vma bfd_getb_signed_16 (const void *);
 573 bfd_signed_vma bfd_getl_signed_16 (const void *);
 574 void bfd_putb64 (bfd_uint64_t, void *);
 575 void bfd_putl64 (bfd_uint64_t, void *);
 576 void bfd_putb32 (bfd_vma, void *);
 577 void bfd_putl32 (bfd_vma, void *);
 578 void bfd_putb24 (bfd_vma, void *);
 579 void bfd_putl24 (bfd_vma, void *);
 580 void bfd_putb16 (bfd_vma, void *);
 581 void bfd_putl16 (bfd_vma, void *);
 582
 583 /* Byte swapping routines which take size and endiannes as arguments.  */
 584
 585 bfd_uint64_t bfd_get_bits (const void *, int, bfd_boolean);
 586 void bfd_put_bits (bfd_uint64_t, void *, int, bfd_boolean);
 587
 588 #if defined(__STDC__) || defined(ALMOST_STDC)
 589 struct ecoff_debug_info;
 590 struct ecoff_debug_swap;
 591 struct ecoff_extr;
 592 struct bfd_symbol;
 593 struct bfd_link_info;
 594 struct bfd_link_hash_entry;
 595 struct bfd_section_already_linked;
 596 struct bfd_elf_version_tree;
 597 #endif
 598
 599 extern bfd_boolean bfd_section_already_linked_table_init (void);
 600 extern void bfd_section_already_linked_table_free (void);
 601 extern bfd_boolean _bfd_handle_already_linked
 602   (struct bfd_section *, struct bfd_section_already_linked *,
 603    struct bfd_link_info *);
 604 \f
 605 /* Externally visible ECOFF routines.  */
 606
 607 extern bfd_boolean bfd_ecoff_set_gp_value
 608   (bfd *abfd, bfd_vma gp_value);
 609 extern bfd_boolean bfd_ecoff_set_regmasks
 610   (bfd *abfd, unsigned long gprmask, unsigned long fprmask,
 611    unsigned long *cprmask);
 612 extern void *bfd_ecoff_debug_init
 613   (bfd *output_bfd, struct ecoff_debug_info *output_debug,
 614    const struct ecoff_debug_swap *output_swap, struct bfd_link_info *);
 615 extern void bfd_ecoff_debug_free
 616   (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
 617    const struct ecoff_debug_swap *output_swap, struct bfd_link_info *);
 618 extern bfd_boolean bfd_ecoff_debug_accumulate
 619   (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
 620    const struct ecoff_debug_swap *output_swap, bfd *input_bfd,
 621    struct ecoff_debug_info *input_debug,
 622    const struct ecoff_debug_swap *input_swap, struct bfd_link_info *);
 623 extern bfd_boolean bfd_ecoff_debug_accumulate_other
 624   (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
 625    const struct ecoff_debug_swap *output_swap, bfd *input_bfd,
 626    struct bfd_link_info *);
 627 extern bfd_boolean bfd_ecoff_debug_externals
 628   (bfd *abfd, struct ecoff_debug_info *debug,
 629    const struct ecoff_debug_swap *swap, bfd_boolean relocatable,
 630    bfd_boolean (*get_extr) (struct bfd_symbol *, struct ecoff_extr *),
 631    void (*set_index) (struct bfd_symbol *, bfd_size_type));
 632 extern bfd_boolean bfd_ecoff_debug_one_external
 633   (bfd *abfd, struct ecoff_debug_info *debug,
 634    const struct ecoff_debug_swap *swap, const char *name,
 635    struct ecoff_extr *esym);
 636 extern bfd_size_type bfd_ecoff_debug_size
 637   (bfd *abfd, struct ecoff_debug_info *debug,
 638    const struct ecoff_debug_swap *swap);
 639 extern bfd_boolean bfd_ecoff_write_debug
 640   (bfd *abfd, struct ecoff_debug_info *debug,
 641    const struct ecoff_debug_swap *swap, file_ptr where);
 642 extern bfd_boolean bfd_ecoff_write_accumulated_debug
 643   (void *handle, bfd *abfd, struct ecoff_debug_info *debug,
 644    const struct ecoff_debug_swap *swap,
 645    struct bfd_link_info *info, file_ptr where);
 646
 647 /* Externally visible ELF routines.  */
 648
 649 struct bfd_link_needed_list
 650 {
 651   struct bfd_link_needed_list *next;
 652   bfd *by;
 653   const char *name;
 654 };
 655
 656 enum dynamic_lib_link_class {
 657   DYN_NORMAL = 0,
 658   DYN_AS_NEEDED = 1,
 659   DYN_DT_NEEDED = 2,
 660   DYN_NO_ADD_NEEDED = 4,
 661   DYN_NO_NEEDED = 8
 662 };
 663
 664 enum notice_asneeded_action {
 665   notice_as_needed,
 666   notice_not_needed,
 667   notice_needed
 668 };
 669
 670 extern bfd_boolean bfd_elf_record_link_assignment
 671   (bfd *, struct bfd_link_info *, const char *, bfd_boolean,
 672    bfd_boolean);
 673 extern struct bfd_link_needed_list *bfd_elf_get_needed_list
 674   (bfd *, struct bfd_link_info *);
 675 extern bfd_boolean bfd_elf_get_bfd_needed_list
 676   (bfd *, struct bfd_link_needed_list **);
 677 extern bfd_boolean bfd_elf_stack_segment_size (bfd *, struct bfd_link_info *,
 678                                                const char *, bfd_vma);
 679 extern bfd_boolean bfd_elf_size_dynamic_sections
 680   (bfd *, const char *, const char *, const char *, const char *, const char *,
 681    const char * const *, struct bfd_link_info *, struct bfd_section **);
 682 extern bfd_boolean bfd_elf_size_dynsym_hash_dynstr
 683   (bfd *, struct bfd_link_info *);
 684 extern void bfd_elf_set_dt_needed_name
 685   (bfd *, const char *);
 686 extern const char *bfd_elf_get_dt_soname
 687   (bfd *);
 688 extern void bfd_elf_set_dyn_lib_class
 689   (bfd *, enum dynamic_lib_link_class);
 690 extern int bfd_elf_get_dyn_lib_class
 691   (bfd *);
 692 extern struct bfd_link_needed_list *bfd_elf_get_runpath_list
 693   (bfd *, struct bfd_link_info *);
 694 extern int bfd_elf_discard_info
 695   (bfd *, struct bfd_link_info *);
 696 extern unsigned int _bfd_elf_default_action_discarded
 697   (struct bfd_section *);
 698
 699 /* Return an upper bound on the number of bytes required to store a
 700    copy of ABFD's program header table entries.  Return -1 if an error
 701    occurs; bfd_get_error will return an appropriate code.  */
 702 extern long bfd_get_elf_phdr_upper_bound
 703   (bfd *abfd);
 704
 705 /* Copy ABFD's program header table entries to *PHDRS.  The entries
 706    will be stored as an array of Elf_Internal_Phdr structures, as
 707    defined in include/elf/internal.h.  To find out how large the
 708    buffer needs to be, call bfd_get_elf_phdr_upper_bound.
 709
 710    Return the number of program header table entries read, or -1 if an
 711    error occurs; bfd_get_error will return an appropriate code.  */
 712 extern int bfd_get_elf_phdrs
 713   (bfd *abfd, void *phdrs);
 714
 715 /* Create a new BFD as if by bfd_openr.  Rather than opening a file,
 716    reconstruct an ELF file by reading the segments out of remote
 717    memory based on the ELF file header at EHDR_VMA and the ELF program
 718    headers it points to.  If non-zero, SIZE is the known extent of the
 719    object.  If not null, *LOADBASEP is filled in with the difference
 720    between the VMAs from which the segments were read, and the VMAs
 721    the file headers (and hence BFD's idea of each section's VMA) put
 722    them at.
 723
 724    The function TARGET_READ_MEMORY is called to copy LEN bytes from
 725    the remote memory at target address VMA into the local buffer at
 726    MYADDR; it should return zero on success or an `errno' code on
 727    failure.  TEMPL must be a BFD for a target with the word size and
 728    byte order found in the remote memory.  */
 729 extern bfd *bfd_elf_bfd_from_remote_memory
 730   (bfd *templ, bfd_vma ehdr_vma, bfd_size_type size, bfd_vma *loadbasep,
 731    int (*target_read_memory) (bfd_vma vma, bfd_byte *myaddr,
 732                               bfd_size_type len));
 733
 734 extern struct bfd_section *_bfd_elf_tls_setup
 735   (bfd *, struct bfd_link_info *);
 736
 737 extern struct bfd_section *
 738 _bfd_nearby_section (bfd *, struct bfd_section *, bfd_vma);
 739
 740 extern void _bfd_fix_excluded_sec_syms
 741   (bfd *, struct bfd_link_info *);
 742
 743 extern unsigned bfd_m68k_mach_to_features (int);
 744
 745 extern int bfd_m68k_features_to_mach (unsigned);
 746
 747 extern bfd_boolean bfd_m68k_elf32_create_embedded_relocs
 748   (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
 749    char **);
 750
 751 extern void bfd_elf_m68k_set_target_options (struct bfd_link_info *, int);
 752
 753 extern bfd_boolean bfd_bfin_elf32_create_embedded_relocs
 754   (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
 755    char **);
 756
 757 extern bfd_boolean bfd_cr16_elf32_create_embedded_relocs
 758   (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
 759    char **);
 760
 761 /* SunOS shared library support routines for the linker.  */
 762
 763 extern struct bfd_link_needed_list *bfd_sunos_get_needed_list
 764   (bfd *, struct bfd_link_info *);
 765 extern bfd_boolean bfd_sunos_record_link_assignment
 766   (bfd *, struct bfd_link_info *, const char *);
 767 extern bfd_boolean bfd_sunos_size_dynamic_sections
 768   (bfd *, struct bfd_link_info *, struct bfd_section **,
 769    struct bfd_section **, struct bfd_section **);
 770
 771 /* Linux shared library support routines for the linker.  */
 772
 773 extern bfd_boolean bfd_i386linux_size_dynamic_sections
 774   (bfd *, struct bfd_link_info *);
 775 extern bfd_boolean bfd_sparclinux_size_dynamic_sections
 776   (bfd *, struct bfd_link_info *);
 777
 778 /* mmap hacks */
 779
 780 struct _bfd_window_internal;
 781 typedef struct _bfd_window_internal bfd_window_internal;
 782
 783 typedef struct _bfd_window
 784 {
 785   /* What the user asked for.  */
 786   void *data;
 787   bfd_size_type size;
 788   /* The actual window used by BFD.  Small user-requested read-only
 789      regions sharing a page may share a single window into the object
 790      file.  Read-write versions shouldn't until I've fixed things to
 791      keep track of which portions have been claimed by the
 792      application; don't want to give the same region back when the
 793      application wants two writable copies!  */
 794   struct _bfd_window_internal *i;
 795 }
 796 bfd_window;
 797
 798 extern void bfd_init_window
 799   (bfd_window *);
 800 extern void bfd_free_window
 801   (bfd_window *);
 802 extern bfd_boolean bfd_get_file_window
 803   (bfd *, file_ptr, bfd_size_type, bfd_window *, bfd_boolean);
 804
 805 /* XCOFF support routines for the linker.  */
 806
 807 extern bfd_boolean bfd_xcoff_split_import_path
 808   (bfd *, const char *, const char **, const char **);
 809 extern bfd_boolean bfd_xcoff_set_archive_import_path
 810   (struct bfd_link_info *, bfd *, const char *);
 811 extern bfd_boolean bfd_xcoff_link_record_set
 812   (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_size_type);
 813 extern bfd_boolean bfd_xcoff_import_symbol
 814   (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_vma,
 815    const char *, const char *, const char *, unsigned int);
 816 extern bfd_boolean bfd_xcoff_export_symbol
 817   (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *);
 818 extern bfd_boolean bfd_xcoff_link_count_reloc
 819   (bfd *, struct bfd_link_info *, const char *);
 820 extern bfd_boolean bfd_xcoff_record_link_assignment
 821   (bfd *, struct bfd_link_info *, const char *);
 822 extern bfd_boolean bfd_xcoff_size_dynamic_sections
 823   (bfd *, struct bfd_link_info *, const char *, const char *,
 824    unsigned long, unsigned long, unsigned long, bfd_boolean,
 825    int, bfd_boolean, unsigned int, struct bfd_section **, bfd_boolean);
 826 extern bfd_boolean bfd_xcoff_link_generate_rtinit
 827   (bfd *, const char *, const char *, bfd_boolean);
 828
 829 /* XCOFF support routines for ar.  */
 830 extern bfd_boolean bfd_xcoff_ar_archive_set_magic
 831   (bfd *, char *);
 832
 833 /* Externally visible COFF routines.  */
 834
 835 #if defined(__STDC__) || defined(ALMOST_STDC)
 836 struct internal_syment;
 837 union internal_auxent;
 838 #endif
 839
 840 extern bfd_boolean bfd_coff_set_symbol_class
 841   (bfd *, struct bfd_symbol *, unsigned int);
 842
 843 /* ARM VFP11 erratum workaround support.  */
 844 typedef enum
 845 {
 846   BFD_ARM_VFP11_FIX_DEFAULT,
 847   BFD_ARM_VFP11_FIX_NONE,
 848   BFD_ARM_VFP11_FIX_SCALAR,
 849   BFD_ARM_VFP11_FIX_VECTOR
 850 } bfd_arm_vfp11_fix;
 851
 852 extern void bfd_elf32_arm_init_maps
 853   (bfd *);
 854
 855 extern void bfd_elf32_arm_set_vfp11_fix
 856   (bfd *, struct bfd_link_info *);
 857
 858 extern void bfd_elf32_arm_set_cortex_a8_fix
 859   (bfd *, struct bfd_link_info *);
 860
 861 extern bfd_boolean bfd_elf32_arm_vfp11_erratum_scan
 862   (bfd *, struct bfd_link_info *);
 863
 864 extern void bfd_elf32_arm_vfp11_fix_veneer_locations
 865   (bfd *, struct bfd_link_info *);
 866
 867 /* ARM STM STM32L4XX erratum workaround support.  */
 868 typedef enum
 869 {
 870   BFD_ARM_STM32L4XX_FIX_NONE,
 871   BFD_ARM_STM32L4XX_FIX_DEFAULT,
 872   BFD_ARM_STM32L4XX_FIX_ALL
 873 } bfd_arm_stm32l4xx_fix;
 874
 875 extern void bfd_elf32_arm_set_stm32l4xx_fix
 876   (bfd *, struct bfd_link_info *);
 877
 878 extern bfd_boolean bfd_elf32_arm_stm32l4xx_erratum_scan
 879   (bfd *, struct bfd_link_info *);
 880
 881 extern void bfd_elf32_arm_stm32l4xx_fix_veneer_locations
 882   (bfd *, struct bfd_link_info *);
 883
 884 /* ARM Interworking support.  Called from linker.  */
 885 extern bfd_boolean bfd_arm_allocate_interworking_sections
 886   (struct bfd_link_info *);
 887
 888 extern bfd_boolean bfd_arm_process_before_allocation
 889   (bfd *, struct bfd_link_info *, int);
 890
 891 extern bfd_boolean bfd_arm_get_bfd_for_interworking
 892   (bfd *, struct bfd_link_info *);
 893
 894 /* PE ARM Interworking support.  Called from linker.  */
 895 extern bfd_boolean bfd_arm_pe_allocate_interworking_sections
 896   (struct bfd_link_info *);
 897
 898 extern bfd_boolean bfd_arm_pe_process_before_allocation
 899   (bfd *, struct bfd_link_info *, int);
 900
 901 extern bfd_boolean bfd_arm_pe_get_bfd_for_interworking
 902   (bfd *, struct bfd_link_info *);
 903
 904 /* ELF ARM Interworking support.  Called from linker.  */
 905 extern bfd_boolean bfd_elf32_arm_allocate_interworking_sections
 906   (struct bfd_link_info *);
 907
 908 extern bfd_boolean bfd_elf32_arm_process_before_allocation
 909   (bfd *, struct bfd_link_info *);
 910
 911 struct elf32_arm_params {
 912   char *thumb_entry_symbol;
 913   int byteswap_code;
 914   int target1_is_rel;
 915   char * target2_type;
 916   int fix_v4bx;
 917   int use_blx;
 918   bfd_arm_vfp11_fix vfp11_denorm_fix;
 919   bfd_arm_stm32l4xx_fix stm32l4xx_fix;
 920   int no_enum_size_warning;
 921   int no_wchar_size_warning;
 922   int pic_veneer;
 923   int fix_cortex_a8;
 924   int fix_arm1176;
 925   int merge_exidx_entries;
 926   int cmse_implib;
 927   bfd *in_implib_bfd;
 928 };
 929
 930 void bfd_elf32_arm_set_target_params
 931   (bfd *, struct bfd_link_info *, struct elf32_arm_params *);
 932
 933 extern bfd_boolean bfd_elf32_arm_get_bfd_for_interworking
 934   (bfd *, struct bfd_link_info *);
 935
 936 extern bfd_boolean bfd_elf32_arm_add_glue_sections_to_bfd
 937   (bfd *, struct bfd_link_info *);
 938
 939 extern void bfd_elf32_arm_keep_private_stub_output_sections
 940   (struct bfd_link_info *);
 941
 942 /* ELF ARM mapping symbol support.  */
 943 #define BFD_ARM_SPECIAL_SYM_TYPE_MAP    (1 << 0)
 944 #define BFD_ARM_SPECIAL_SYM_TYPE_TAG    (1 << 1)
 945 #define BFD_ARM_SPECIAL_SYM_TYPE_OTHER  (1 << 2)
 946 #define BFD_ARM_SPECIAL_SYM_TYPE_ANY    (~0)
 947
 948 extern bfd_boolean bfd_is_arm_special_symbol_name
 949   (const char *, int);
 950
 951 extern void bfd_elf32_arm_set_byteswap_code
 952   (struct bfd_link_info *, int);
 953
 954 extern void bfd_elf32_arm_use_long_plt (void);
 955
 956 /* ARM Note section processing.  */
 957 extern bfd_boolean bfd_arm_merge_machines
 958   (bfd *, bfd *);
 959
 960 extern bfd_boolean bfd_arm_update_notes
 961   (bfd *, const char *);
 962
 963 extern unsigned int bfd_arm_get_mach_from_notes
 964   (bfd *, const char *);
 965
 966 /* ARM stub generation support.  Called from the linker.  */
 967 extern int elf32_arm_setup_section_lists
 968   (bfd *, struct bfd_link_info *);
 969 extern void elf32_arm_next_input_section
 970   (struct bfd_link_info *, struct bfd_section *);
 971 extern bfd_boolean elf32_arm_size_stubs
 972   (bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
 973    struct bfd_section * (*) (const char *, struct bfd_section *,
 974                              struct bfd_section *, unsigned int),
 975    void (*) (void));
 976 extern bfd_boolean elf32_arm_build_stubs
 977   (struct bfd_link_info *);
 978
 979 /* ARM unwind section editing support.  */
 980 extern bfd_boolean elf32_arm_fix_exidx_coverage
 981 (struct bfd_section **, unsigned int, struct bfd_link_info *, bfd_boolean);
 982
 983 /* C6x unwind section editing support.  */
 984 extern bfd_boolean elf32_tic6x_fix_exidx_coverage
 985 (struct bfd_section **, unsigned int, struct bfd_link_info *, bfd_boolean);
 986
 987 extern void bfd_elf64_aarch64_init_maps
 988   (bfd *);
 989
 990 extern void bfd_elf32_aarch64_init_maps
 991   (bfd *);
 992
 993 /* Types of PLTs based on the level of security.  This would be a
 994    bit-mask to denote which of the combinations of security features
 995    are enabled:
 996    - No security feature PLTs
 997    - PLTs with BTI instruction
 998    - PLTs with PAC instruction
 999 */
1000 typedef enum
1001 {
1002   PLT_NORMAL    = 0x0,  /* Normal plts.  */
1003   PLT_BTI       = 0x1,  /* plts with bti.  */
1004   PLT_PAC       = 0x2,  /* plts with pointer authentication.  */
1005   PLT_BTI_PAC   = PLT_BTI | PLT_PAC
1006 } aarch64_plt_type;
1007
1008 /* To indicate if BTI is enabled with/without warning.  */
1009 typedef enum
1010 {
1011   BTI_NONE      = 0,  /* BTI is not enabled.  */
1012   BTI_WARN      = 1,  /* BTI is enabled with -z force-bti.  */
1013 } aarch64_enable_bti_type;
1014
1015 /* A structure to encompass all information coming from BTI or PAC
1016    related command line options.  This involves the "PLT_TYPE" to determine
1017    which version of PLTs to pick and "BTI_TYPE" to determine if
1018    BTI should be turned on with any warnings.   */
1019 typedef struct
1020 {
1021   aarch64_plt_type plt_type;
1022   aarch64_enable_bti_type bti_type;
1023 } aarch64_bti_pac_info;
1024
1025 /* An enum to define what kind of erratum fixes we should apply.  This gives the
1026    user a bit more control over the sequences we generate.  */
1027 typedef enum
1028 {
1029   ERRAT_NONE  = (1 << 0),  /* No erratum workarounds allowed.  */
1030   ERRAT_ADR   = (1 << 1),  /* Erratum workarounds using ADR allowed.  */
1031   ERRAT_ADRP  = (1 << 2),  /* Erratum workarounds using ADRP are allowed.  */
1032 } erratum_84319_opts;
1033
1034 extern void bfd_elf64_aarch64_set_options
1035   (bfd *, struct bfd_link_info *, int, int, int, int, erratum_84319_opts, int,
1036    aarch64_bti_pac_info);
1037
1038 extern void bfd_elf32_aarch64_set_options
1039   (bfd *, struct bfd_link_info *, int, int, int, int, erratum_84319_opts, int,
1040    aarch64_bti_pac_info);
1041
1042 /* ELF AArch64 mapping symbol support.  */
1043 #define BFD_AARCH64_SPECIAL_SYM_TYPE_MAP        (1 << 0)
1044 #define BFD_AARCH64_SPECIAL_SYM_TYPE_TAG        (1 << 1)
1045 #define BFD_AARCH64_SPECIAL_SYM_TYPE_OTHER      (1 << 2)
1046 #define BFD_AARCH64_SPECIAL_SYM_TYPE_ANY        (~0)
1047 extern bfd_boolean bfd_is_aarch64_special_symbol_name
1048   (const char * name, int type);
1049
1050 /* AArch64 stub generation support for ELF64.  Called from the linker.  */
1051 extern int elf64_aarch64_setup_section_lists
1052   (bfd *, struct bfd_link_info *);
1053 extern void elf64_aarch64_next_input_section
1054   (struct bfd_link_info *, struct bfd_section *);
1055 extern bfd_boolean elf64_aarch64_size_stubs
1056   (bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
1057    struct bfd_section * (*) (const char *, struct bfd_section *),
1058    void (*) (void));
1059 extern bfd_boolean elf64_aarch64_build_stubs
1060   (struct bfd_link_info *);
1061 /* AArch64 stub generation support for ELF32.  Called from the linker.  */
1062 extern int elf32_aarch64_setup_section_lists
1063   (bfd *, struct bfd_link_info *);
1064 extern void elf32_aarch64_next_input_section
1065   (struct bfd_link_info *, struct bfd_section *);
1066 extern bfd_boolean elf32_aarch64_size_stubs
1067   (bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
1068    struct bfd_section * (*) (const char *, struct bfd_section *),
1069    void (*) (void));
1070 extern bfd_boolean elf32_aarch64_build_stubs
1071   (struct bfd_link_info *);
1072
1073
1074 /* TI COFF load page support.  */
1075 extern void bfd_ticoff_set_section_load_page
1076   (struct bfd_section *, int);
1077
1078 extern int bfd_ticoff_get_section_load_page
1079   (struct bfd_section *);
1080
1081 /* H8/300 functions.  */
1082 extern bfd_vma bfd_h8300_pad_address
1083   (bfd *, bfd_vma);
1084
1085 /* IA64 Itanium code generation.  Called from linker.  */
1086 extern void bfd_elf32_ia64_after_parse
1087   (int);
1088
1089 extern void bfd_elf64_ia64_after_parse
1090   (int);
1091
1092 /* V850 Note manipulation routines.  */
1093 extern bfd_boolean v850_elf_create_sections
1094   (struct bfd_link_info *);
1095
1096 extern bfd_boolean v850_elf_set_note
1097   (bfd *, unsigned int, unsigned int);
1098
1099 /* MIPS ABI flags data access.  For the disassembler.  */
1100 struct elf_internal_abiflags_v0;
1101 extern struct elf_internal_abiflags_v0 *bfd_mips_elf_get_abiflags (bfd *);
1102
1103 /* C-SKY functions.  */
1104 extern bfd_boolean elf32_csky_build_stubs
1105   (struct bfd_link_info *);
1106 extern bfd_boolean elf32_csky_size_stubs
1107   (bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
1108    struct bfd_section *(*) (const char*, struct bfd_section*),
1109    void (*) (void));
1110 extern void elf32_csky_next_input_section
1111   (struct bfd_link_info *, struct bfd_section *);
1112 extern int elf32_csky_setup_section_lists
1113   (bfd *, struct bfd_link_info *);