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_get_section(x) ((x)->section)
 244 #define bfd_get_output_section(x) ((x)->section->output_section)
 245 #define bfd_set_section(x,y) ((x)->section) = (y)
 246 #define bfd_asymbol_base(x) ((x)->section->vma)
 247 #define bfd_asymbol_value(x) (bfd_asymbol_base(x) + (x)->value)
 248 #define bfd_asymbol_name(x) ((x)->name)
 249 /*Perhaps future: #define bfd_asymbol_bfd(x) ((x)->section->owner)*/
 250 #define bfd_asymbol_bfd(x) ((x)->the_bfd)
 251 #define bfd_asymbol_flavour(x)                  \
 252   (((x)->flags & BSF_SYNTHETIC) != 0            \
 253    ? bfd_target_unknown_flavour                 \
 254    : bfd_asymbol_bfd (x)->xvec->flavour)
 255
 256 /* A canonical archive symbol.  */
 257 /* This is a type pun with struct ranlib on purpose!  */
 258 typedef struct carsym
 259 {
 260   char *name;
 261   file_ptr file_offset; /* Look here to find the file.  */
 262 }
 263 carsym;                 /* To make these you call a carsymogen.  */
 264
 265 /* Used in generating armaps (archive tables of contents).
 266    Perhaps just a forward definition would do?  */
 267 struct orl              /* Output ranlib.  */
 268 {
 269   char **name;          /* Symbol name.  */
 270   union
 271   {
 272     file_ptr pos;
 273     bfd *abfd;
 274   } u;                  /* bfd* or file position.  */
 275   int namidx;           /* Index into string table.  */
 276 };
 277
 278 /* Linenumber stuff.  */
 279 typedef struct lineno_cache_entry
 280 {
 281   unsigned int line_number;     /* Linenumber from start of function.  */
 282   union
 283   {
 284     struct bfd_symbol *sym;     /* Function name.  */
 285     bfd_vma offset;             /* Offset into section.  */
 286   } u;
 287 }
 288 alent;
 289 \f
 290 /* Object and core file sections.  */
 291 typedef struct bfd_section *sec_ptr;
 292
 293 #define align_power(addr, align)        \
 294   (((addr) + ((bfd_vma) 1 << (align)) - 1) & (-((bfd_vma) 1 << (align))))
 295
 296 /* Align an address upward to a boundary, expressed as a number of bytes.
 297    E.g. align to an 8-byte boundary with argument of 8.  Take care never
 298    to wrap around if the address is within boundary-1 of the end of the
 299    address space.  */
 300 #define BFD_ALIGN(this, boundary)                                         \
 301   ((((bfd_vma) (this) + (boundary) - 1) >= (bfd_vma) (this))              \
 302    ? (((bfd_vma) (this) + ((boundary) - 1)) & ~ (bfd_vma) ((boundary)-1)) \
 303    : ~ (bfd_vma) 0)
 304
 305 #define bfd_get_section_name(bfd, ptr) ((void) bfd, (ptr)->name)
 306 #define bfd_get_section_vma(bfd, ptr) ((void) bfd, (ptr)->vma)
 307 #define bfd_get_section_lma(bfd, ptr) ((void) bfd, (ptr)->lma)
 308 #define bfd_get_section_alignment(bfd, ptr) ((void) bfd, \
 309                                              (ptr)->alignment_power)
 310 #define bfd_section_name(bfd, ptr) ((ptr)->name)
 311 #define bfd_section_size(bfd, ptr) ((ptr)->size)
 312 #define bfd_get_section_size(ptr) ((ptr)->size)
 313 #define bfd_section_vma(bfd, ptr) ((ptr)->vma)
 314 #define bfd_section_lma(bfd, ptr) ((ptr)->lma)
 315 #define bfd_section_alignment(bfd, ptr) ((ptr)->alignment_power)
 316 #define bfd_get_section_flags(bfd, ptr) ((void) bfd, (ptr)->flags)
 317 #define bfd_get_section_userdata(bfd, ptr) ((void) bfd, (ptr)->userdata)
 318
 319 #define bfd_is_com_section(ptr) (((ptr)->flags & SEC_IS_COMMON) != 0)
 320
 321 #define bfd_get_section_limit_octets(bfd, sec)                  \
 322   ((bfd)->direction != write_direction && (sec)->rawsize != 0   \
 323    ? (sec)->rawsize : (sec)->size)
 324
 325 /* Find the address one past the end of SEC.  */
 326 #define bfd_get_section_limit(bfd, sec) \
 327   (bfd_get_section_limit_octets(bfd, sec) / bfd_octets_per_byte (bfd))
 328
 329 /* Return TRUE if input section SEC has been discarded.  */
 330 #define discarded_section(sec)                          \
 331   (!bfd_is_abs_section (sec)                                    \
 332    && bfd_is_abs_section ((sec)->output_section)                \
 333    && (sec)->sec_info_type != SEC_INFO_TYPE_MERGE               \
 334    && (sec)->sec_info_type != SEC_INFO_TYPE_JUST_SYMS)
 335 \f
 336 typedef enum bfd_print_symbol
 337 {
 338   bfd_print_symbol_name,
 339   bfd_print_symbol_more,
 340   bfd_print_symbol_all
 341 } bfd_print_symbol_type;
 342
 343 /* Information about a symbol that nm needs.  */
 344
 345 typedef struct _symbol_info
 346 {
 347   symvalue value;
 348   char type;
 349   const char *name;             /* Symbol name.  */
 350   unsigned char stab_type;      /* Stab type.  */
 351   char stab_other;              /* Stab other.  */
 352   short stab_desc;              /* Stab desc.  */
 353   const char *stab_name;        /* String for stab type.  */
 354 } symbol_info;
 355
 356 /* Get the name of a stabs type code.  */
 357
 358 extern const char *bfd_get_stab_name (int);
 359 \f
 360 /* Hash table routines.  There is no way to free up a hash table.  */
 361
 362 /* An element in the hash table.  Most uses will actually use a larger
 363    structure, and an instance of this will be the first field.  */
 364
 365 struct bfd_hash_entry
 366 {
 367   /* Next entry for this hash code.  */
 368   struct bfd_hash_entry *next;
 369   /* String being hashed.  */
 370   const char *string;
 371   /* Hash code.  This is the full hash code, not the index into the
 372      table.  */
 373   unsigned long hash;
 374 };
 375
 376 /* A hash table.  */
 377
 378 struct bfd_hash_table
 379 {
 380   /* The hash array.  */
 381   struct bfd_hash_entry **table;
 382   /* A function used to create new elements in the hash table.  The
 383      first entry is itself a pointer to an element.  When this
 384      function is first invoked, this pointer will be NULL.  However,
 385      having the pointer permits a hierarchy of method functions to be
 386      built each of which calls the function in the superclass.  Thus
 387      each function should be written to allocate a new block of memory
 388      only if the argument is NULL.  */
 389   struct bfd_hash_entry *(*newfunc)
 390     (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
 391   /* An objalloc for this hash table.  This is a struct objalloc *,
 392      but we use void * to avoid requiring the inclusion of objalloc.h.  */
 393   void *memory;
 394   /* The number of slots in the hash table.  */
 395   unsigned int size;
 396   /* The number of entries in the hash table.  */
 397   unsigned int count;
 398   /* The size of elements.  */
 399   unsigned int entsize;
 400   /* If non-zero, don't grow the hash table.  */
 401   unsigned int frozen:1;
 402 };
 403
 404 /* Initialize a hash table.  */
 405 extern bfd_boolean bfd_hash_table_init
 406   (struct bfd_hash_table *,
 407    struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 408                                struct bfd_hash_table *,
 409                                const char *),
 410    unsigned int);
 411
 412 /* Initialize a hash table specifying a size.  */
 413 extern bfd_boolean bfd_hash_table_init_n
 414   (struct bfd_hash_table *,
 415    struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 416                                struct bfd_hash_table *,
 417                                const char *),
 418    unsigned int, unsigned int);
 419
 420 /* Free up a hash table.  */
 421 extern void bfd_hash_table_free
 422   (struct bfd_hash_table *);
 423
 424 /* Look up a string in a hash table.  If CREATE is TRUE, a new entry
 425    will be created for this string if one does not already exist.  The
 426    COPY argument must be TRUE if this routine should copy the string
 427    into newly allocated memory when adding an entry.  */
 428 extern struct bfd_hash_entry *bfd_hash_lookup
 429   (struct bfd_hash_table *, const char *, bfd_boolean create,
 430    bfd_boolean copy);
 431
 432 /* Insert an entry in a hash table.  */
 433 extern struct bfd_hash_entry *bfd_hash_insert
 434   (struct bfd_hash_table *, const char *, unsigned long);
 435
 436 /* Rename an entry in a hash table.  */
 437 extern void bfd_hash_rename
 438   (struct bfd_hash_table *, const char *, struct bfd_hash_entry *);
 439
 440 /* Replace an entry in a hash table.  */
 441 extern void bfd_hash_replace
 442   (struct bfd_hash_table *, struct bfd_hash_entry *old,
 443    struct bfd_hash_entry *nw);
 444
 445 /* Base method for creating a hash table entry.  */
 446 extern struct bfd_hash_entry *bfd_hash_newfunc
 447   (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
 448
 449 /* Grab some space for a hash table entry.  */
 450 extern void *bfd_hash_allocate
 451   (struct bfd_hash_table *, unsigned int);
 452
 453 /* Traverse a hash table in a random order, calling a function on each
 454    element.  If the function returns FALSE, the traversal stops.  The
 455    INFO argument is passed to the function.  */
 456 extern void bfd_hash_traverse
 457   (struct bfd_hash_table *,
 458    bfd_boolean (*) (struct bfd_hash_entry *, void *),
 459    void *info);
 460
 461 /* Allows the default size of a hash table to be configured. New hash
 462    tables allocated using bfd_hash_table_init will be created with
 463    this size.  */
 464 extern unsigned long bfd_hash_set_default_size (unsigned long);
 465
 466 /* Types of compressed DWARF debug sections.  We currently support
 467    zlib.  */
 468 enum compressed_debug_section_type
 469 {
 470   COMPRESS_DEBUG_NONE = 0,
 471   COMPRESS_DEBUG = 1 << 0,
 472   COMPRESS_DEBUG_GNU_ZLIB = COMPRESS_DEBUG | 1 << 1,
 473   COMPRESS_DEBUG_GABI_ZLIB = COMPRESS_DEBUG | 1 << 2
 474 };
 475
 476 /* This structure is used to keep track of stabs in sections
 477    information while linking.  */
 478
 479 struct stab_info
 480 {
 481   /* A hash table used to hold stabs strings.  */
 482   struct bfd_strtab_hash *strings;
 483   /* The header file hash table.  */
 484   struct bfd_hash_table includes;
 485   /* The first .stabstr section.  */
 486   struct bfd_section *stabstr;
 487 };
 488
 489 #define COFF_SWAP_TABLE (void *) &bfd_coff_std_swap_table
 490
 491 /* User program access to BFD facilities.  */
 492
 493 /* Direct I/O routines, for programs which know more about the object
 494    file than BFD does.  Use higher level routines if possible.  */
 495
 496 extern bfd_size_type bfd_bread (void *, bfd_size_type, bfd *);
 497 extern bfd_size_type bfd_bwrite (const void *, bfd_size_type, bfd *);
 498 extern int bfd_seek (bfd *, file_ptr, int);
 499 extern file_ptr bfd_tell (bfd *);
 500 extern int bfd_flush (bfd *);
 501 extern int bfd_stat (bfd *, struct stat *);
 502
 503 /* Deprecated old routines.  */
 504 #if __GNUC__
 505 #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD)                            \
 506   (_bfd_warn_deprecated ("bfd_read", __FILE__, __LINE__, __FUNCTION__), \
 507    bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
 508 #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD)                           \
 509   (_bfd_warn_deprecated ("bfd_write", __FILE__, __LINE__, __FUNCTION__), \
 510    bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
 511 #else
 512 #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD)                            \
 513   (_bfd_warn_deprecated ("bfd_read", (const char *) 0, 0, (const char *) 0), \
 514    bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
 515 #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD)                           \
 516   (_bfd_warn_deprecated ("bfd_write", (const char *) 0, 0, (const char *) 0),\
 517    bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
 518 #endif
 519 extern void _bfd_warn_deprecated (const char *, const char *, int, const char *);
 520
 521 /* Cast from const char * to char * so that caller can assign to
 522    a char * without a warning.  */
 523 #define bfd_get_filename(abfd) ((char *) (abfd)->filename)
 524 #define bfd_get_cacheable(abfd) ((abfd)->cacheable)
 525 #define bfd_get_format(abfd) ((abfd)->format)
 526 #define bfd_get_target(abfd) ((abfd)->xvec->name)
 527 #define bfd_get_flavour(abfd) ((abfd)->xvec->flavour)
 528 #define bfd_family_coff(abfd) \
 529   (bfd_get_flavour (abfd) == bfd_target_coff_flavour || \
 530    bfd_get_flavour (abfd) == bfd_target_xcoff_flavour)
 531 #define bfd_big_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_BIG)
 532 #define bfd_little_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_LITTLE)
 533 #define bfd_header_big_endian(abfd) \
 534   ((abfd)->xvec->header_byteorder == BFD_ENDIAN_BIG)
 535 #define bfd_header_little_endian(abfd) \
 536   ((abfd)->xvec->header_byteorder == BFD_ENDIAN_LITTLE)
 537 #define bfd_get_file_flags(abfd) ((abfd)->flags)
 538 #define bfd_applicable_file_flags(abfd) ((abfd)->xvec->object_flags)
 539 #define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags)
 540 #define bfd_has_map(abfd) ((abfd)->has_armap)
 541 #define bfd_is_thin_archive(abfd) ((abfd)->is_thin_archive)
 542
 543 #define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types)
 544 #define bfd_usrdata(abfd) ((abfd)->usrdata)
 545
 546 #define bfd_get_start_address(abfd) ((abfd)->start_address)
 547 #define bfd_get_symcount(abfd) ((abfd)->symcount)
 548 #define bfd_get_outsymbols(abfd) ((abfd)->outsymbols)
 549 #define bfd_count_sections(abfd) ((abfd)->section_count)
 550
 551 #define bfd_get_dynamic_symcount(abfd) ((abfd)->dynsymcount)
 552
 553 #define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char)
 554
 555 extern bfd_boolean bfd_cache_close
 556   (bfd *abfd);
 557 /* NB: This declaration should match the autogenerated one in libbfd.h.  */
 558
 559 extern bfd_boolean bfd_cache_close_all (void);
 560
 561 extern bfd_boolean bfd_record_phdr
 562   (bfd *, unsigned long, bfd_boolean, flagword, bfd_boolean, bfd_vma,
 563    bfd_boolean, bfd_boolean, unsigned int, struct bfd_section **);
 564
 565 /* Byte swapping routines.  */
 566
 567 bfd_uint64_t bfd_getb64 (const void *);
 568 bfd_uint64_t bfd_getl64 (const void *);
 569 bfd_int64_t bfd_getb_signed_64 (const void *);
 570 bfd_int64_t bfd_getl_signed_64 (const void *);
 571 bfd_vma bfd_getb32 (const void *);
 572 bfd_vma bfd_getl32 (const void *);
 573 bfd_signed_vma bfd_getb_signed_32 (const void *);
 574 bfd_signed_vma bfd_getl_signed_32 (const void *);
 575 bfd_vma bfd_getb16 (const void *);
 576 bfd_vma bfd_getl16 (const void *);
 577 bfd_signed_vma bfd_getb_signed_16 (const void *);
 578 bfd_signed_vma bfd_getl_signed_16 (const void *);
 579 void bfd_putb64 (bfd_uint64_t, void *);
 580 void bfd_putl64 (bfd_uint64_t, void *);
 581 void bfd_putb32 (bfd_vma, void *);
 582 void bfd_putl32 (bfd_vma, void *);
 583 void bfd_putb24 (bfd_vma, void *);
 584 void bfd_putl24 (bfd_vma, void *);
 585 void bfd_putb16 (bfd_vma, void *);
 586 void bfd_putl16 (bfd_vma, void *);
 587
 588 /* Byte swapping routines which take size and endiannes as arguments.  */
 589
 590 bfd_uint64_t bfd_get_bits (const void *, int, bfd_boolean);
 591 void bfd_put_bits (bfd_uint64_t, void *, int, bfd_boolean);
 592
 593 #if defined(__STDC__) || defined(ALMOST_STDC)
 594 struct ecoff_debug_info;
 595 struct ecoff_debug_swap;
 596 struct ecoff_extr;
 597 struct bfd_symbol;
 598 struct bfd_link_info;
 599 struct bfd_link_hash_entry;
 600 struct bfd_section_already_linked;
 601 struct bfd_elf_version_tree;
 602 #endif
 603
 604 extern bfd_boolean bfd_section_already_linked_table_init (void);
 605 extern void bfd_section_already_linked_table_free (void);
 606 extern bfd_boolean _bfd_handle_already_linked
 607   (struct bfd_section *, struct bfd_section_already_linked *,
 608    struct bfd_link_info *);
 609 \f
 610 /* Externally visible ECOFF routines.  */
 611
 612 extern bfd_boolean bfd_ecoff_set_gp_value
 613   (bfd *abfd, bfd_vma gp_value);
 614 extern bfd_boolean bfd_ecoff_set_regmasks
 615   (bfd *abfd, unsigned long gprmask, unsigned long fprmask,
 616    unsigned long *cprmask);
 617 extern void *bfd_ecoff_debug_init
 618   (bfd *output_bfd, struct ecoff_debug_info *output_debug,
 619    const struct ecoff_debug_swap *output_swap, struct bfd_link_info *);
 620 extern void bfd_ecoff_debug_free
 621   (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
 622    const struct ecoff_debug_swap *output_swap, struct bfd_link_info *);
 623 extern bfd_boolean bfd_ecoff_debug_accumulate
 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 ecoff_debug_info *input_debug,
 627    const struct ecoff_debug_swap *input_swap, struct bfd_link_info *);
 628 extern bfd_boolean bfd_ecoff_debug_accumulate_other
 629   (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
 630    const struct ecoff_debug_swap *output_swap, bfd *input_bfd,
 631    struct bfd_link_info *);
 632 extern bfd_boolean bfd_ecoff_debug_externals
 633   (bfd *abfd, struct ecoff_debug_info *debug,
 634    const struct ecoff_debug_swap *swap, bfd_boolean relocatable,
 635    bfd_boolean (*get_extr) (struct bfd_symbol *, struct ecoff_extr *),
 636    void (*set_index) (struct bfd_symbol *, bfd_size_type));
 637 extern bfd_boolean bfd_ecoff_debug_one_external
 638   (bfd *abfd, struct ecoff_debug_info *debug,
 639    const struct ecoff_debug_swap *swap, const char *name,
 640    struct ecoff_extr *esym);
 641 extern bfd_size_type bfd_ecoff_debug_size
 642   (bfd *abfd, struct ecoff_debug_info *debug,
 643    const struct ecoff_debug_swap *swap);
 644 extern bfd_boolean bfd_ecoff_write_debug
 645   (bfd *abfd, struct ecoff_debug_info *debug,
 646    const struct ecoff_debug_swap *swap, file_ptr where);
 647 extern bfd_boolean bfd_ecoff_write_accumulated_debug
 648   (void *handle, bfd *abfd, struct ecoff_debug_info *debug,
 649    const struct ecoff_debug_swap *swap,
 650    struct bfd_link_info *info, file_ptr where);
 651
 652 /* Externally visible ELF routines.  */
 653
 654 struct bfd_link_needed_list
 655 {
 656   struct bfd_link_needed_list *next;
 657   bfd *by;
 658   const char *name;
 659 };
 660
 661 enum dynamic_lib_link_class {
 662   DYN_NORMAL = 0,
 663   DYN_AS_NEEDED = 1,
 664   DYN_DT_NEEDED = 2,
 665   DYN_NO_ADD_NEEDED = 4,
 666   DYN_NO_NEEDED = 8
 667 };
 668
 669 enum notice_asneeded_action {
 670   notice_as_needed,
 671   notice_not_needed,
 672   notice_needed
 673 };
 674
 675 extern bfd_boolean bfd_elf_record_link_assignment
 676   (bfd *, struct bfd_link_info *, const char *, bfd_boolean,
 677    bfd_boolean);
 678 extern struct bfd_link_needed_list *bfd_elf_get_needed_list
 679   (bfd *, struct bfd_link_info *);
 680 extern bfd_boolean bfd_elf_get_bfd_needed_list
 681   (bfd *, struct bfd_link_needed_list **);
 682 extern bfd_boolean bfd_elf_stack_segment_size (bfd *, struct bfd_link_info *,
 683                                                const char *, bfd_vma);
 684 extern bfd_boolean bfd_elf_size_dynamic_sections
 685   (bfd *, const char *, const char *, const char *, const char *, const char *,
 686    const char * const *, struct bfd_link_info *, struct bfd_section **);
 687 extern bfd_boolean bfd_elf_size_dynsym_hash_dynstr
 688   (bfd *, struct bfd_link_info *);
 689 extern void bfd_elf_set_dt_needed_name
 690   (bfd *, const char *);
 691 extern const char *bfd_elf_get_dt_soname
 692   (bfd *);
 693 extern void bfd_elf_set_dyn_lib_class
 694   (bfd *, enum dynamic_lib_link_class);
 695 extern int bfd_elf_get_dyn_lib_class
 696   (bfd *);
 697 extern struct bfd_link_needed_list *bfd_elf_get_runpath_list
 698   (bfd *, struct bfd_link_info *);
 699 extern int bfd_elf_discard_info
 700   (bfd *, struct bfd_link_info *);
 701 extern unsigned int _bfd_elf_default_action_discarded
 702   (struct bfd_section *);
 703
 704 /* Return an upper bound on the number of bytes required to store a
 705    copy of ABFD's program header table entries.  Return -1 if an error
 706    occurs; bfd_get_error will return an appropriate code.  */
 707 extern long bfd_get_elf_phdr_upper_bound
 708   (bfd *abfd);
 709
 710 /* Copy ABFD's program header table entries to *PHDRS.  The entries
 711    will be stored as an array of Elf_Internal_Phdr structures, as
 712    defined in include/elf/internal.h.  To find out how large the
 713    buffer needs to be, call bfd_get_elf_phdr_upper_bound.
 714
 715    Return the number of program header table entries read, or -1 if an
 716    error occurs; bfd_get_error will return an appropriate code.  */
 717 extern int bfd_get_elf_phdrs
 718   (bfd *abfd, void *phdrs);
 719
 720 /* Create a new BFD as if by bfd_openr.  Rather than opening a file,
 721    reconstruct an ELF file by reading the segments out of remote
 722    memory based on the ELF file header at EHDR_VMA and the ELF program
 723    headers it points to.  If non-zero, SIZE is the known extent of the
 724    object.  If not null, *LOADBASEP is filled in with the difference
 725    between the VMAs from which the segments were read, and the VMAs
 726    the file headers (and hence BFD's idea of each section's VMA) put
 727    them at.
 728
 729    The function TARGET_READ_MEMORY is called to copy LEN bytes from
 730    the remote memory at target address VMA into the local buffer at
 731    MYADDR; it should return zero on success or an `errno' code on
 732    failure.  TEMPL must be a BFD for a target with the word size and
 733    byte order found in the remote memory.  */
 734 extern bfd *bfd_elf_bfd_from_remote_memory
 735   (bfd *templ, bfd_vma ehdr_vma, bfd_size_type size, bfd_vma *loadbasep,
 736    int (*target_read_memory) (bfd_vma vma, bfd_byte *myaddr,
 737                               bfd_size_type len));
 738
 739 extern struct bfd_section *_bfd_elf_tls_setup
 740   (bfd *, struct bfd_link_info *);
 741
 742 extern struct bfd_section *
 743 _bfd_nearby_section (bfd *, struct bfd_section *, bfd_vma);
 744
 745 extern void _bfd_fix_excluded_sec_syms
 746   (bfd *, struct bfd_link_info *);
 747
 748 extern unsigned bfd_m68k_mach_to_features (int);
 749
 750 extern int bfd_m68k_features_to_mach (unsigned);
 751
 752 extern bfd_boolean bfd_m68k_elf32_create_embedded_relocs
 753   (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
 754    char **);
 755
 756 extern void bfd_elf_m68k_set_target_options (struct bfd_link_info *, int);
 757
 758 extern bfd_boolean bfd_bfin_elf32_create_embedded_relocs
 759   (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
 760    char **);
 761
 762 extern bfd_boolean bfd_cr16_elf32_create_embedded_relocs
 763   (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
 764    char **);
 765
 766 /* SunOS shared library support routines for the linker.  */
 767
 768 extern struct bfd_link_needed_list *bfd_sunos_get_needed_list
 769   (bfd *, struct bfd_link_info *);
 770 extern bfd_boolean bfd_sunos_record_link_assignment
 771   (bfd *, struct bfd_link_info *, const char *);
 772 extern bfd_boolean bfd_sunos_size_dynamic_sections
 773   (bfd *, struct bfd_link_info *, struct bfd_section **,
 774    struct bfd_section **, struct bfd_section **);
 775
 776 /* Linux shared library support routines for the linker.  */
 777
 778 extern bfd_boolean bfd_i386linux_size_dynamic_sections
 779   (bfd *, struct bfd_link_info *);
 780 extern bfd_boolean bfd_sparclinux_size_dynamic_sections
 781   (bfd *, struct bfd_link_info *);
 782
 783 /* mmap hacks */
 784
 785 struct _bfd_window_internal;
 786 typedef struct _bfd_window_internal bfd_window_internal;
 787
 788 typedef struct _bfd_window
 789 {
 790   /* What the user asked for.  */
 791   void *data;
 792   bfd_size_type size;
 793   /* The actual window used by BFD.  Small user-requested read-only
 794      regions sharing a page may share a single window into the object
 795      file.  Read-write versions shouldn't until I've fixed things to
 796      keep track of which portions have been claimed by the
 797      application; don't want to give the same region back when the
 798      application wants two writable copies!  */
 799   struct _bfd_window_internal *i;
 800 }
 801 bfd_window;
 802
 803 extern void bfd_init_window
 804   (bfd_window *);
 805 extern void bfd_free_window
 806   (bfd_window *);
 807 extern bfd_boolean bfd_get_file_window
 808   (bfd *, file_ptr, bfd_size_type, bfd_window *, bfd_boolean);
 809
 810 /* XCOFF support routines for the linker.  */
 811
 812 extern bfd_boolean bfd_xcoff_split_import_path
 813   (bfd *, const char *, const char **, const char **);
 814 extern bfd_boolean bfd_xcoff_set_archive_import_path
 815   (struct bfd_link_info *, bfd *, const char *);
 816 extern bfd_boolean bfd_xcoff_link_record_set
 817   (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_size_type);
 818 extern bfd_boolean bfd_xcoff_import_symbol
 819   (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_vma,
 820    const char *, const char *, const char *, unsigned int);
 821 extern bfd_boolean bfd_xcoff_export_symbol
 822   (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *);
 823 extern bfd_boolean bfd_xcoff_link_count_reloc
 824   (bfd *, struct bfd_link_info *, const char *);
 825 extern bfd_boolean bfd_xcoff_record_link_assignment
 826   (bfd *, struct bfd_link_info *, const char *);
 827 extern bfd_boolean bfd_xcoff_size_dynamic_sections
 828   (bfd *, struct bfd_link_info *, const char *, const char *,
 829    unsigned long, unsigned long, unsigned long, bfd_boolean,
 830    int, bfd_boolean, unsigned int, struct bfd_section **, bfd_boolean);
 831 extern bfd_boolean bfd_xcoff_link_generate_rtinit
 832   (bfd *, const char *, const char *, bfd_boolean);
 833
 834 /* XCOFF support routines for ar.  */
 835 extern bfd_boolean bfd_xcoff_ar_archive_set_magic
 836   (bfd *, char *);
 837
 838 /* Externally visible COFF routines.  */
 839
 840 #if defined(__STDC__) || defined(ALMOST_STDC)
 841 struct internal_syment;
 842 union internal_auxent;
 843 #endif
 844
 845 extern bfd_boolean bfd_coff_set_symbol_class
 846   (bfd *, struct bfd_symbol *, unsigned int);
 847
 848 /* ARM VFP11 erratum workaround support.  */
 849 typedef enum
 850 {
 851   BFD_ARM_VFP11_FIX_DEFAULT,
 852   BFD_ARM_VFP11_FIX_NONE,
 853   BFD_ARM_VFP11_FIX_SCALAR,
 854   BFD_ARM_VFP11_FIX_VECTOR
 855 } bfd_arm_vfp11_fix;
 856
 857 extern void bfd_elf32_arm_init_maps
 858   (bfd *);
 859
 860 extern void bfd_elf32_arm_set_vfp11_fix
 861   (bfd *, struct bfd_link_info *);
 862
 863 extern void bfd_elf32_arm_set_cortex_a8_fix
 864   (bfd *, struct bfd_link_info *);
 865
 866 extern bfd_boolean bfd_elf32_arm_vfp11_erratum_scan
 867   (bfd *, struct bfd_link_info *);
 868
 869 extern void bfd_elf32_arm_vfp11_fix_veneer_locations
 870   (bfd *, struct bfd_link_info *);
 871
 872 /* ARM STM STM32L4XX erratum workaround support.  */
 873 typedef enum
 874 {
 875   BFD_ARM_STM32L4XX_FIX_NONE,
 876   BFD_ARM_STM32L4XX_FIX_DEFAULT,
 877   BFD_ARM_STM32L4XX_FIX_ALL
 878 } bfd_arm_stm32l4xx_fix;
 879
 880 extern void bfd_elf32_arm_set_stm32l4xx_fix
 881   (bfd *, struct bfd_link_info *);
 882
 883 extern bfd_boolean bfd_elf32_arm_stm32l4xx_erratum_scan
 884   (bfd *, struct bfd_link_info *);
 885
 886 extern void bfd_elf32_arm_stm32l4xx_fix_veneer_locations
 887   (bfd *, struct bfd_link_info *);
 888
 889 /* ARM Interworking support.  Called from linker.  */
 890 extern bfd_boolean bfd_arm_allocate_interworking_sections
 891   (struct bfd_link_info *);
 892
 893 extern bfd_boolean bfd_arm_process_before_allocation
 894   (bfd *, struct bfd_link_info *, int);
 895
 896 extern bfd_boolean bfd_arm_get_bfd_for_interworking
 897   (bfd *, struct bfd_link_info *);
 898
 899 /* PE ARM Interworking support.  Called from linker.  */
 900 extern bfd_boolean bfd_arm_pe_allocate_interworking_sections
 901   (struct bfd_link_info *);
 902
 903 extern bfd_boolean bfd_arm_pe_process_before_allocation
 904   (bfd *, struct bfd_link_info *, int);
 905
 906 extern bfd_boolean bfd_arm_pe_get_bfd_for_interworking
 907   (bfd *, struct bfd_link_info *);
 908
 909 /* ELF ARM Interworking support.  Called from linker.  */
 910 extern bfd_boolean bfd_elf32_arm_allocate_interworking_sections
 911   (struct bfd_link_info *);
 912
 913 extern bfd_boolean bfd_elf32_arm_process_before_allocation
 914   (bfd *, struct bfd_link_info *);
 915
 916 struct elf32_arm_params {
 917   char *thumb_entry_symbol;
 918   int byteswap_code;
 919   int target1_is_rel;
 920   char * target2_type;
 921   int fix_v4bx;
 922   int use_blx;
 923   bfd_arm_vfp11_fix vfp11_denorm_fix;
 924   bfd_arm_stm32l4xx_fix stm32l4xx_fix;
 925   int no_enum_size_warning;
 926   int no_wchar_size_warning;
 927   int pic_veneer;
 928   int fix_cortex_a8;
 929   int fix_arm1176;
 930   int merge_exidx_entries;
 931   int cmse_implib;
 932   bfd *in_implib_bfd;
 933 };
 934
 935 void bfd_elf32_arm_set_target_params
 936   (bfd *, struct bfd_link_info *, struct elf32_arm_params *);
 937
 938 extern bfd_boolean bfd_elf32_arm_get_bfd_for_interworking
 939   (bfd *, struct bfd_link_info *);
 940
 941 extern bfd_boolean bfd_elf32_arm_add_glue_sections_to_bfd
 942   (bfd *, struct bfd_link_info *);
 943
 944 extern void bfd_elf32_arm_keep_private_stub_output_sections
 945   (struct bfd_link_info *);
 946
 947 /* ELF ARM mapping symbol support.  */
 948 #define BFD_ARM_SPECIAL_SYM_TYPE_MAP    (1 << 0)
 949 #define BFD_ARM_SPECIAL_SYM_TYPE_TAG    (1 << 1)
 950 #define BFD_ARM_SPECIAL_SYM_TYPE_OTHER  (1 << 2)
 951 #define BFD_ARM_SPECIAL_SYM_TYPE_ANY    (~0)
 952
 953 extern bfd_boolean bfd_is_arm_special_symbol_name
 954   (const char *, int);
 955
 956 extern void bfd_elf32_arm_set_byteswap_code
 957   (struct bfd_link_info *, int);
 958
 959 extern void bfd_elf32_arm_use_long_plt (void);
 960
 961 /* ARM Note section processing.  */
 962 extern bfd_boolean bfd_arm_merge_machines
 963   (bfd *, bfd *);
 964
 965 extern bfd_boolean bfd_arm_update_notes
 966   (bfd *, const char *);
 967
 968 extern unsigned int bfd_arm_get_mach_from_notes
 969   (bfd *, const char *);
 970
 971 /* ARM stub generation support.  Called from the linker.  */
 972 extern int elf32_arm_setup_section_lists
 973   (bfd *, struct bfd_link_info *);
 974 extern void elf32_arm_next_input_section
 975   (struct bfd_link_info *, struct bfd_section *);
 976 extern bfd_boolean elf32_arm_size_stubs
 977   (bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
 978    struct bfd_section * (*) (const char *, struct bfd_section *,
 979                              struct bfd_section *, unsigned int),
 980    void (*) (void));
 981 extern bfd_boolean elf32_arm_build_stubs
 982   (struct bfd_link_info *);
 983
 984 /* ARM unwind section editing support.  */
 985 extern bfd_boolean elf32_arm_fix_exidx_coverage
 986 (struct bfd_section **, unsigned int, struct bfd_link_info *, bfd_boolean);
 987
 988 /* C6x unwind section editing support.  */
 989 extern bfd_boolean elf32_tic6x_fix_exidx_coverage
 990 (struct bfd_section **, unsigned int, struct bfd_link_info *, bfd_boolean);
 991
 992 extern void bfd_elf64_aarch64_init_maps
 993   (bfd *);
 994
 995 extern void bfd_elf32_aarch64_init_maps
 996   (bfd *);
 997
 998 /* Types of PLTs based on the level of security.  This would be a
 999    bit-mask to denote which of the combinations of security features
1000    are enabled:
1001    - No security feature PLTs
1002    - PLTs with BTI instruction
1003    - PLTs with PAC instruction
1004 */
1005 typedef enum
1006 {
1007   PLT_NORMAL    = 0x0,  /* Normal plts.  */
1008   PLT_BTI       = 0x1,  /* plts with bti.  */
1009   PLT_PAC       = 0x2,  /* plts with pointer authentication.  */
1010   PLT_BTI_PAC   = PLT_BTI | PLT_PAC
1011 } aarch64_plt_type;
1012
1013 /* To indicate if BTI is enabled with/without warning.  */
1014 typedef enum
1015 {
1016   BTI_NONE      = 0,  /* BTI is not enabled.  */
1017   BTI_WARN      = 1,  /* BTI is enabled with --force-bti.  */
1018 } aarch64_enable_bti_type;
1019
1020 /* A structure to encompass all information coming from BTI or PAC
1021    related command line options.  This involves the "PLT_TYPE" to determine
1022    which version of PLTs to pick and "BTI_TYPE" to determine if
1023    BTI should be turned on with any warnings.   */
1024 typedef struct
1025 {
1026   aarch64_plt_type plt_type;
1027   aarch64_enable_bti_type bti_type;
1028 } aarch64_bti_pac_info;
1029
1030 /* An enum to define what kind of erratum fixes we should apply.  This gives the
1031    user a bit more control over the sequences we generate.  */
1032 typedef enum
1033 {
1034   ERRAT_NONE  = (1 << 0),  /* No erratum workarounds allowed.  */
1035   ERRAT_ADR   = (1 << 1),  /* Erratum workarounds using ADR allowed.  */
1036   ERRAT_ADRP  = (1 << 2),  /* Erratum workarounds using ADRP are allowed.  */
1037 } erratum_84319_opts;
1038
1039 extern void bfd_elf64_aarch64_set_options
1040   (bfd *, struct bfd_link_info *, int, int, int, int, erratum_84319_opts, int,
1041    aarch64_bti_pac_info);
1042
1043 extern void bfd_elf32_aarch64_set_options
1044   (bfd *, struct bfd_link_info *, int, int, int, int, erratum_84319_opts, int,
1045    aarch64_bti_pac_info);
1046
1047 /* ELF AArch64 mapping symbol support.  */
1048 #define BFD_AARCH64_SPECIAL_SYM_TYPE_MAP        (1 << 0)
1049 #define BFD_AARCH64_SPECIAL_SYM_TYPE_TAG        (1 << 1)
1050 #define BFD_AARCH64_SPECIAL_SYM_TYPE_OTHER      (1 << 2)
1051 #define BFD_AARCH64_SPECIAL_SYM_TYPE_ANY        (~0)
1052 extern bfd_boolean bfd_is_aarch64_special_symbol_name
1053   (const char * name, int type);
1054
1055 /* AArch64 stub generation support for ELF64.  Called from the linker.  */
1056 extern int elf64_aarch64_setup_section_lists
1057   (bfd *, struct bfd_link_info *);
1058 extern void elf64_aarch64_next_input_section
1059   (struct bfd_link_info *, struct bfd_section *);
1060 extern bfd_boolean elf64_aarch64_size_stubs
1061   (bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
1062    struct bfd_section * (*) (const char *, struct bfd_section *),
1063    void (*) (void));
1064 extern bfd_boolean elf64_aarch64_build_stubs
1065   (struct bfd_link_info *);
1066 /* AArch64 stub generation support for ELF32.  Called from the linker.  */
1067 extern int elf32_aarch64_setup_section_lists
1068   (bfd *, struct bfd_link_info *);
1069 extern void elf32_aarch64_next_input_section
1070   (struct bfd_link_info *, struct bfd_section *);
1071 extern bfd_boolean elf32_aarch64_size_stubs
1072   (bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
1073    struct bfd_section * (*) (const char *, struct bfd_section *),
1074    void (*) (void));
1075 extern bfd_boolean elf32_aarch64_build_stubs
1076   (struct bfd_link_info *);
1077
1078
1079 /* TI COFF load page support.  */
1080 extern void bfd_ticoff_set_section_load_page
1081   (struct bfd_section *, int);
1082
1083 extern int bfd_ticoff_get_section_load_page
1084   (struct bfd_section *);
1085
1086 /* H8/300 functions.  */
1087 extern bfd_vma bfd_h8300_pad_address
1088   (bfd *, bfd_vma);
1089
1090 /* IA64 Itanium code generation.  Called from linker.  */
1091 extern void bfd_elf32_ia64_after_parse
1092   (int);
1093
1094 extern void bfd_elf64_ia64_after_parse
1095   (int);
1096
1097 /* V850 Note manipulation routines.  */
1098 extern bfd_boolean v850_elf_create_sections
1099   (struct bfd_link_info *);
1100
1101 extern bfd_boolean v850_elf_set_note
1102   (bfd *, unsigned int, unsigned int);
1103
1104 /* MIPS ABI flags data access.  For the disassembler.  */
1105 struct elf_internal_abiflags_v0;
1106 extern struct elf_internal_abiflags_v0 *bfd_mips_elf_get_abiflags (bfd *);
1107
1108 /* C-SKY functions.  */
1109 extern bfd_boolean elf32_csky_build_stubs
1110   (struct bfd_link_info *);
1111 extern bfd_boolean elf32_csky_size_stubs
1112   (bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
1113    struct bfd_section *(*) (const char*, struct bfd_section*),
1114    void (*) (void));
1115 extern void elf32_csky_next_input_section
1116   (struct bfd_link_info *, struct bfd_section *);
1117 extern int elf32_csky_setup_section_lists
1118   (bfd *, struct bfd_link_info *);