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 /* A canonical archive symbol.  */
 241 /* This is a type pun with struct ranlib on purpose!  */
 242 typedef struct carsym
 243 {
 244   const char *name;
 245   file_ptr file_offset; /* Look here to find the file.  */
 246 }
 247 carsym;                 /* To make these you call a carsymogen.  */
 248
 249 /* Used in generating armaps (archive tables of contents).
 250    Perhaps just a forward definition would do?  */
 251 struct orl              /* Output ranlib.  */
 252 {
 253   char **name;          /* Symbol name.  */
 254   union
 255   {
 256     file_ptr pos;
 257     bfd *abfd;
 258   } u;                  /* bfd* or file position.  */
 259   int namidx;           /* Index into string table.  */
 260 };
 261
 262 /* Linenumber stuff.  */
 263 typedef struct lineno_cache_entry
 264 {
 265   unsigned int line_number;     /* Linenumber from start of function.  */
 266   union
 267   {
 268     struct bfd_symbol *sym;     /* Function name.  */
 269     bfd_vma offset;             /* Offset into section.  */
 270   } u;
 271 }
 272 alent;
 273 \f
 274 /* Object and core file sections.  */
 275 typedef struct bfd_section *sec_ptr;
 276
 277 #define align_power(addr, align)        \
 278   (((addr) + ((bfd_vma) 1 << (align)) - 1) & (-((bfd_vma) 1 << (align))))
 279
 280 /* Align an address upward to a boundary, expressed as a number of bytes.
 281    E.g. align to an 8-byte boundary with argument of 8.  Take care never
 282    to wrap around if the address is within boundary-1 of the end of the
 283    address space.  */
 284 #define BFD_ALIGN(this, boundary)                                         \
 285   ((((bfd_vma) (this) + (boundary) - 1) >= (bfd_vma) (this))              \
 286    ? (((bfd_vma) (this) + ((boundary) - 1)) & ~ (bfd_vma) ((boundary)-1)) \
 287    : ~ (bfd_vma) 0)
 288
 289 #define bfd_section_name(sec) ((sec)->name)
 290 #define bfd_section_size(sec) ((sec)->size)
 291 #define bfd_section_vma(sec) ((sec)->vma)
 292 #define bfd_section_lma(sec) ((sec)->lma)
 293 #define bfd_section_alignment(sec) ((sec)->alignment_power)
 294 #define bfd_section_flags(sec) ((sec)->flags)
 295 #define bfd_section_userdata(sec) ((sec)->userdata)
 296
 297 #define bfd_is_com_section(sec) (((sec)->flags & SEC_IS_COMMON) != 0)
 298
 299 #define bfd_get_section_limit_octets(bfd, sec)                  \
 300   ((bfd)->direction != write_direction && (sec)->rawsize != 0   \
 301    ? (sec)->rawsize : (sec)->size)
 302
 303 /* Find the address one past the end of SEC.  */
 304 #define bfd_get_section_limit(bfd, sec) \
 305   (bfd_get_section_limit_octets(bfd, sec) / bfd_octets_per_byte (bfd))
 306
 307 /* Return TRUE if input section SEC has been discarded.  */
 308 #define discarded_section(sec)                          \
 309   (!bfd_is_abs_section (sec)                                    \
 310    && bfd_is_abs_section ((sec)->output_section)                \
 311    && (sec)->sec_info_type != SEC_INFO_TYPE_MERGE               \
 312    && (sec)->sec_info_type != SEC_INFO_TYPE_JUST_SYMS)
 313 \f
 314 typedef enum bfd_print_symbol
 315 {
 316   bfd_print_symbol_name,
 317   bfd_print_symbol_more,
 318   bfd_print_symbol_all
 319 } bfd_print_symbol_type;
 320
 321 /* Information about a symbol that nm needs.  */
 322
 323 typedef struct _symbol_info
 324 {
 325   symvalue value;
 326   char type;
 327   const char *name;             /* Symbol name.  */
 328   unsigned char stab_type;      /* Stab type.  */
 329   char stab_other;              /* Stab other.  */
 330   short stab_desc;              /* Stab desc.  */
 331   const char *stab_name;        /* String for stab type.  */
 332 } symbol_info;
 333
 334 /* Get the name of a stabs type code.  */
 335
 336 extern const char *bfd_get_stab_name (int);
 337 \f
 338 /* Hash table routines.  There is no way to free up a hash table.  */
 339
 340 /* An element in the hash table.  Most uses will actually use a larger
 341    structure, and an instance of this will be the first field.  */
 342
 343 struct bfd_hash_entry
 344 {
 345   /* Next entry for this hash code.  */
 346   struct bfd_hash_entry *next;
 347   /* String being hashed.  */
 348   const char *string;
 349   /* Hash code.  This is the full hash code, not the index into the
 350      table.  */
 351   unsigned long hash;
 352 };
 353
 354 /* A hash table.  */
 355
 356 struct bfd_hash_table
 357 {
 358   /* The hash array.  */
 359   struct bfd_hash_entry **table;
 360   /* A function used to create new elements in the hash table.  The
 361      first entry is itself a pointer to an element.  When this
 362      function is first invoked, this pointer will be NULL.  However,
 363      having the pointer permits a hierarchy of method functions to be
 364      built each of which calls the function in the superclass.  Thus
 365      each function should be written to allocate a new block of memory
 366      only if the argument is NULL.  */
 367   struct bfd_hash_entry *(*newfunc)
 368     (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
 369   /* An objalloc for this hash table.  This is a struct objalloc *,
 370      but we use void * to avoid requiring the inclusion of objalloc.h.  */
 371   void *memory;
 372   /* The number of slots in the hash table.  */
 373   unsigned int size;
 374   /* The number of entries in the hash table.  */
 375   unsigned int count;
 376   /* The size of elements.  */
 377   unsigned int entsize;
 378   /* If non-zero, don't grow the hash table.  */
 379   unsigned int frozen:1;
 380 };
 381
 382 /* Initialize a hash table.  */
 383 extern bfd_boolean bfd_hash_table_init
 384   (struct bfd_hash_table *,
 385    struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 386                                struct bfd_hash_table *,
 387                                const char *),
 388    unsigned int);
 389
 390 /* Initialize a hash table specifying a size.  */
 391 extern bfd_boolean bfd_hash_table_init_n
 392   (struct bfd_hash_table *,
 393    struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 394                                struct bfd_hash_table *,
 395                                const char *),
 396    unsigned int, unsigned int);
 397
 398 /* Free up a hash table.  */
 399 extern void bfd_hash_table_free
 400   (struct bfd_hash_table *);
 401
 402 /* Look up a string in a hash table.  If CREATE is TRUE, a new entry
 403    will be created for this string if one does not already exist.  The
 404    COPY argument must be TRUE if this routine should copy the string
 405    into newly allocated memory when adding an entry.  */
 406 extern struct bfd_hash_entry *bfd_hash_lookup
 407   (struct bfd_hash_table *, const char *, bfd_boolean create,
 408    bfd_boolean copy);
 409
 410 /* Insert an entry in a hash table.  */
 411 extern struct bfd_hash_entry *bfd_hash_insert
 412   (struct bfd_hash_table *, const char *, unsigned long);
 413
 414 /* Rename an entry in a hash table.  */
 415 extern void bfd_hash_rename
 416   (struct bfd_hash_table *, const char *, struct bfd_hash_entry *);
 417
 418 /* Replace an entry in a hash table.  */
 419 extern void bfd_hash_replace
 420   (struct bfd_hash_table *, struct bfd_hash_entry *old,
 421    struct bfd_hash_entry *nw);
 422
 423 /* Base method for creating a hash table entry.  */
 424 extern struct bfd_hash_entry *bfd_hash_newfunc
 425   (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
 426
 427 /* Grab some space for a hash table entry.  */
 428 extern void *bfd_hash_allocate
 429   (struct bfd_hash_table *, unsigned int);
 430
 431 /* Traverse a hash table in a random order, calling a function on each
 432    element.  If the function returns FALSE, the traversal stops.  The
 433    INFO argument is passed to the function.  */
 434 extern void bfd_hash_traverse
 435   (struct bfd_hash_table *,
 436    bfd_boolean (*) (struct bfd_hash_entry *, void *),
 437    void *info);
 438
 439 /* Allows the default size of a hash table to be configured. New hash
 440    tables allocated using bfd_hash_table_init will be created with
 441    this size.  */
 442 extern unsigned long bfd_hash_set_default_size (unsigned long);
 443
 444 /* Types of compressed DWARF debug sections.  We currently support
 445    zlib.  */
 446 enum compressed_debug_section_type
 447 {
 448   COMPRESS_DEBUG_NONE = 0,
 449   COMPRESS_DEBUG = 1 << 0,
 450   COMPRESS_DEBUG_GNU_ZLIB = COMPRESS_DEBUG | 1 << 1,
 451   COMPRESS_DEBUG_GABI_ZLIB = COMPRESS_DEBUG | 1 << 2
 452 };
 453
 454 /* This structure is used to keep track of stabs in sections
 455    information while linking.  */
 456
 457 struct stab_info
 458 {
 459   /* A hash table used to hold stabs strings.  */
 460   struct bfd_strtab_hash *strings;
 461   /* The header file hash table.  */
 462   struct bfd_hash_table includes;
 463   /* The first .stabstr section.  */
 464   struct bfd_section *stabstr;
 465 };
 466
 467 #define COFF_SWAP_TABLE (void *) &bfd_coff_std_swap_table
 468
 469 /* User program access to BFD facilities.  */
 470
 471 /* Direct I/O routines, for programs which know more about the object
 472    file than BFD does.  Use higher level routines if possible.  */
 473
 474 extern bfd_size_type bfd_bread (void *, bfd_size_type, bfd *);
 475 extern bfd_size_type bfd_bwrite (const void *, bfd_size_type, bfd *);
 476 extern int bfd_seek (bfd *, file_ptr, int);
 477 extern file_ptr bfd_tell (bfd *);
 478 extern int bfd_flush (bfd *);
 479 extern int bfd_stat (bfd *, struct stat *);
 480
 481 /* Deprecated old routines.  */
 482 #if __GNUC__
 483 #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD)                            \
 484   (_bfd_warn_deprecated ("bfd_read", __FILE__, __LINE__, __FUNCTION__), \
 485    bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
 486 #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD)                           \
 487   (_bfd_warn_deprecated ("bfd_write", __FILE__, __LINE__, __FUNCTION__), \
 488    bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
 489 #else
 490 #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD)                            \
 491   (_bfd_warn_deprecated ("bfd_read", (const char *) 0, 0, (const char *) 0), \
 492    bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
 493 #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD)                           \
 494   (_bfd_warn_deprecated ("bfd_write", (const char *) 0, 0, (const char *) 0),\
 495    bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
 496 #endif
 497 extern void _bfd_warn_deprecated (const char *, const char *, int, const char *);
 498
 499 extern bfd_boolean bfd_cache_close
 500   (bfd *abfd);
 501 /* NB: This declaration should match the autogenerated one in libbfd.h.  */
 502
 503 extern bfd_boolean bfd_cache_close_all (void);
 504
 505 extern bfd_boolean bfd_record_phdr
 506   (bfd *, unsigned long, bfd_boolean, flagword, bfd_boolean, bfd_vma,
 507    bfd_boolean, bfd_boolean, unsigned int, struct bfd_section **);
 508
 509 /* Byte swapping routines.  */
 510
 511 bfd_uint64_t bfd_getb64 (const void *);
 512 bfd_uint64_t bfd_getl64 (const void *);
 513 bfd_int64_t bfd_getb_signed_64 (const void *);
 514 bfd_int64_t bfd_getl_signed_64 (const void *);
 515 bfd_vma bfd_getb32 (const void *);
 516 bfd_vma bfd_getl32 (const void *);
 517 bfd_signed_vma bfd_getb_signed_32 (const void *);
 518 bfd_signed_vma bfd_getl_signed_32 (const void *);
 519 bfd_vma bfd_getb16 (const void *);
 520 bfd_vma bfd_getl16 (const void *);
 521 bfd_signed_vma bfd_getb_signed_16 (const void *);
 522 bfd_signed_vma bfd_getl_signed_16 (const void *);
 523 void bfd_putb64 (bfd_uint64_t, void *);
 524 void bfd_putl64 (bfd_uint64_t, void *);
 525 void bfd_putb32 (bfd_vma, void *);
 526 void bfd_putl32 (bfd_vma, void *);
 527 void bfd_putb24 (bfd_vma, void *);
 528 void bfd_putl24 (bfd_vma, void *);
 529 void bfd_putb16 (bfd_vma, void *);
 530 void bfd_putl16 (bfd_vma, void *);
 531
 532 /* Byte swapping routines which take size and endiannes as arguments.  */
 533
 534 bfd_uint64_t bfd_get_bits (const void *, int, bfd_boolean);
 535 void bfd_put_bits (bfd_uint64_t, void *, int, bfd_boolean);
 536
 537 #if defined(__STDC__) || defined(ALMOST_STDC)
 538 struct ecoff_debug_info;
 539 struct ecoff_debug_swap;
 540 struct ecoff_extr;
 541 struct bfd_symbol;
 542 struct bfd_link_info;
 543 struct bfd_link_hash_entry;
 544 struct bfd_section_already_linked;
 545 struct bfd_elf_version_tree;
 546 #endif
 547
 548 extern bfd_boolean bfd_section_already_linked_table_init (void);
 549 extern void bfd_section_already_linked_table_free (void);
 550 extern bfd_boolean _bfd_handle_already_linked
 551   (struct bfd_section *, struct bfd_section_already_linked *,
 552    struct bfd_link_info *);
 553 \f
 554 /* Externally visible ECOFF routines.  */
 555
 556 extern bfd_boolean bfd_ecoff_set_gp_value
 557   (bfd *abfd, bfd_vma gp_value);
 558 extern bfd_boolean bfd_ecoff_set_regmasks
 559   (bfd *abfd, unsigned long gprmask, unsigned long fprmask,
 560    unsigned long *cprmask);
 561 extern void *bfd_ecoff_debug_init
 562   (bfd *output_bfd, struct ecoff_debug_info *output_debug,
 563    const struct ecoff_debug_swap *output_swap, struct bfd_link_info *);
 564 extern void bfd_ecoff_debug_free
 565   (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
 566    const struct ecoff_debug_swap *output_swap, struct bfd_link_info *);
 567 extern bfd_boolean bfd_ecoff_debug_accumulate
 568   (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
 569    const struct ecoff_debug_swap *output_swap, bfd *input_bfd,
 570    struct ecoff_debug_info *input_debug,
 571    const struct ecoff_debug_swap *input_swap, struct bfd_link_info *);
 572 extern bfd_boolean bfd_ecoff_debug_accumulate_other
 573   (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
 574    const struct ecoff_debug_swap *output_swap, bfd *input_bfd,
 575    struct bfd_link_info *);
 576 extern bfd_boolean bfd_ecoff_debug_externals
 577   (bfd *abfd, struct ecoff_debug_info *debug,
 578    const struct ecoff_debug_swap *swap, bfd_boolean relocatable,
 579    bfd_boolean (*get_extr) (struct bfd_symbol *, struct ecoff_extr *),
 580    void (*set_index) (struct bfd_symbol *, bfd_size_type));
 581 extern bfd_boolean bfd_ecoff_debug_one_external
 582   (bfd *abfd, struct ecoff_debug_info *debug,
 583    const struct ecoff_debug_swap *swap, const char *name,
 584    struct ecoff_extr *esym);
 585 extern bfd_size_type bfd_ecoff_debug_size
 586   (bfd *abfd, struct ecoff_debug_info *debug,
 587    const struct ecoff_debug_swap *swap);
 588 extern bfd_boolean bfd_ecoff_write_debug
 589   (bfd *abfd, struct ecoff_debug_info *debug,
 590    const struct ecoff_debug_swap *swap, file_ptr where);
 591 extern bfd_boolean bfd_ecoff_write_accumulated_debug
 592   (void *handle, bfd *abfd, struct ecoff_debug_info *debug,
 593    const struct ecoff_debug_swap *swap,
 594    struct bfd_link_info *info, file_ptr where);
 595
 596 /* Externally visible ELF routines.  */
 597
 598 struct bfd_link_needed_list
 599 {
 600   struct bfd_link_needed_list *next;
 601   bfd *by;
 602   const char *name;
 603 };
 604
 605 enum dynamic_lib_link_class {
 606   DYN_NORMAL = 0,
 607   DYN_AS_NEEDED = 1,
 608   DYN_DT_NEEDED = 2,
 609   DYN_NO_ADD_NEEDED = 4,
 610   DYN_NO_NEEDED = 8
 611 };
 612
 613 enum notice_asneeded_action {
 614   notice_as_needed,
 615   notice_not_needed,
 616   notice_needed
 617 };
 618
 619 extern bfd_boolean bfd_elf_record_link_assignment
 620   (bfd *, struct bfd_link_info *, const char *, bfd_boolean,
 621    bfd_boolean);
 622 extern struct bfd_link_needed_list *bfd_elf_get_needed_list
 623   (bfd *, struct bfd_link_info *);
 624 extern bfd_boolean bfd_elf_get_bfd_needed_list
 625   (bfd *, struct bfd_link_needed_list **);
 626 extern bfd_boolean bfd_elf_stack_segment_size (bfd *, struct bfd_link_info *,
 627                                                const char *, bfd_vma);
 628 extern bfd_boolean bfd_elf_size_dynamic_sections
 629   (bfd *, const char *, const char *, const char *, const char *, const char *,
 630    const char * const *, struct bfd_link_info *, struct bfd_section **);
 631 extern bfd_boolean bfd_elf_size_dynsym_hash_dynstr
 632   (bfd *, struct bfd_link_info *);
 633 extern void bfd_elf_set_dt_needed_name
 634   (bfd *, const char *);
 635 extern const char *bfd_elf_get_dt_soname
 636   (bfd *);
 637 extern void bfd_elf_set_dyn_lib_class
 638   (bfd *, enum dynamic_lib_link_class);
 639 extern int bfd_elf_get_dyn_lib_class
 640   (bfd *);
 641 extern struct bfd_link_needed_list *bfd_elf_get_runpath_list
 642   (bfd *, struct bfd_link_info *);
 643 extern int bfd_elf_discard_info
 644   (bfd *, struct bfd_link_info *);
 645 extern unsigned int _bfd_elf_default_action_discarded
 646   (struct bfd_section *);
 647
 648 /* Return an upper bound on the number of bytes required to store a
 649    copy of ABFD's program header table entries.  Return -1 if an error
 650    occurs; bfd_get_error will return an appropriate code.  */
 651 extern long bfd_get_elf_phdr_upper_bound
 652   (bfd *abfd);
 653
 654 /* Copy ABFD's program header table entries to *PHDRS.  The entries
 655    will be stored as an array of Elf_Internal_Phdr structures, as
 656    defined in include/elf/internal.h.  To find out how large the
 657    buffer needs to be, call bfd_get_elf_phdr_upper_bound.
 658
 659    Return the number of program header table entries read, or -1 if an
 660    error occurs; bfd_get_error will return an appropriate code.  */
 661 extern int bfd_get_elf_phdrs
 662   (bfd *abfd, void *phdrs);
 663
 664 /* Create a new BFD as if by bfd_openr.  Rather than opening a file,
 665    reconstruct an ELF file by reading the segments out of remote
 666    memory based on the ELF file header at EHDR_VMA and the ELF program
 667    headers it points to.  If non-zero, SIZE is the known extent of the
 668    object.  If not null, *LOADBASEP is filled in with the difference
 669    between the VMAs from which the segments were read, and the VMAs
 670    the file headers (and hence BFD's idea of each section's VMA) put
 671    them at.
 672
 673    The function TARGET_READ_MEMORY is called to copy LEN bytes from
 674    the remote memory at target address VMA into the local buffer at
 675    MYADDR; it should return zero on success or an `errno' code on
 676    failure.  TEMPL must be a BFD for a target with the word size and
 677    byte order found in the remote memory.  */
 678 extern bfd *bfd_elf_bfd_from_remote_memory
 679   (bfd *templ, bfd_vma ehdr_vma, bfd_size_type size, bfd_vma *loadbasep,
 680    int (*target_read_memory) (bfd_vma vma, bfd_byte *myaddr,
 681                               bfd_size_type len));
 682
 683 extern struct bfd_section *_bfd_elf_tls_setup
 684   (bfd *, struct bfd_link_info *);
 685
 686 extern struct bfd_section *
 687 _bfd_nearby_section (bfd *, struct bfd_section *, bfd_vma);
 688
 689 extern void _bfd_fix_excluded_sec_syms
 690   (bfd *, struct bfd_link_info *);
 691
 692 extern unsigned bfd_m68k_mach_to_features (int);
 693
 694 extern int bfd_m68k_features_to_mach (unsigned);
 695
 696 extern bfd_boolean bfd_m68k_elf32_create_embedded_relocs
 697   (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
 698    char **);
 699
 700 extern void bfd_elf_m68k_set_target_options (struct bfd_link_info *, int);
 701
 702 extern bfd_boolean bfd_bfin_elf32_create_embedded_relocs
 703   (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
 704    char **);
 705
 706 extern bfd_boolean bfd_cr16_elf32_create_embedded_relocs
 707   (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
 708    char **);
 709
 710 /* SunOS shared library support routines for the linker.  */
 711
 712 extern struct bfd_link_needed_list *bfd_sunos_get_needed_list
 713   (bfd *, struct bfd_link_info *);
 714 extern bfd_boolean bfd_sunos_record_link_assignment
 715   (bfd *, struct bfd_link_info *, const char *);
 716 extern bfd_boolean bfd_sunos_size_dynamic_sections
 717   (bfd *, struct bfd_link_info *, struct bfd_section **,
 718    struct bfd_section **, struct bfd_section **);
 719
 720 /* Linux shared library support routines for the linker.  */
 721
 722 extern bfd_boolean bfd_i386linux_size_dynamic_sections
 723   (bfd *, struct bfd_link_info *);
 724 extern bfd_boolean bfd_sparclinux_size_dynamic_sections
 725   (bfd *, struct bfd_link_info *);
 726
 727 /* mmap hacks */
 728
 729 struct _bfd_window_internal;
 730 typedef struct _bfd_window_internal bfd_window_internal;
 731
 732 typedef struct _bfd_window
 733 {
 734   /* What the user asked for.  */
 735   void *data;
 736   bfd_size_type size;
 737   /* The actual window used by BFD.  Small user-requested read-only
 738      regions sharing a page may share a single window into the object
 739      file.  Read-write versions shouldn't until I've fixed things to
 740      keep track of which portions have been claimed by the
 741      application; don't want to give the same region back when the
 742      application wants two writable copies!  */
 743   struct _bfd_window_internal *i;
 744 }
 745 bfd_window;
 746
 747 extern void bfd_init_window
 748   (bfd_window *);
 749 extern void bfd_free_window
 750   (bfd_window *);
 751 extern bfd_boolean bfd_get_file_window
 752   (bfd *, file_ptr, bfd_size_type, bfd_window *, bfd_boolean);
 753
 754 /* XCOFF support routines for the linker.  */
 755
 756 extern bfd_boolean bfd_xcoff_split_import_path
 757   (bfd *, const char *, const char **, const char **);
 758 extern bfd_boolean bfd_xcoff_set_archive_import_path
 759   (struct bfd_link_info *, bfd *, const char *);
 760 extern bfd_boolean bfd_xcoff_link_record_set
 761   (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_size_type);
 762 extern bfd_boolean bfd_xcoff_import_symbol
 763   (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_vma,
 764    const char *, const char *, const char *, unsigned int);
 765 extern bfd_boolean bfd_xcoff_export_symbol
 766   (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *);
 767 extern bfd_boolean bfd_xcoff_link_count_reloc
 768   (bfd *, struct bfd_link_info *, const char *);
 769 extern bfd_boolean bfd_xcoff_record_link_assignment
 770   (bfd *, struct bfd_link_info *, const char *);
 771 extern bfd_boolean bfd_xcoff_size_dynamic_sections
 772   (bfd *, struct bfd_link_info *, const char *, const char *,
 773    unsigned long, unsigned long, unsigned long, bfd_boolean,
 774    int, bfd_boolean, unsigned int, struct bfd_section **, bfd_boolean);
 775 extern bfd_boolean bfd_xcoff_link_generate_rtinit
 776   (bfd *, const char *, const char *, bfd_boolean);
 777
 778 /* XCOFF support routines for ar.  */
 779 extern bfd_boolean bfd_xcoff_ar_archive_set_magic
 780   (bfd *, char *);
 781
 782 /* Externally visible COFF routines.  */
 783
 784 #if defined(__STDC__) || defined(ALMOST_STDC)
 785 struct internal_syment;
 786 union internal_auxent;
 787 #endif
 788
 789 extern bfd_boolean bfd_coff_set_symbol_class
 790   (bfd *, struct bfd_symbol *, unsigned int);
 791
 792 /* ARM VFP11 erratum workaround support.  */
 793 typedef enum
 794 {
 795   BFD_ARM_VFP11_FIX_DEFAULT,
 796   BFD_ARM_VFP11_FIX_NONE,
 797   BFD_ARM_VFP11_FIX_SCALAR,
 798   BFD_ARM_VFP11_FIX_VECTOR
 799 } bfd_arm_vfp11_fix;
 800
 801 extern void bfd_elf32_arm_init_maps
 802   (bfd *);
 803
 804 extern void bfd_elf32_arm_set_vfp11_fix
 805   (bfd *, struct bfd_link_info *);
 806
 807 extern void bfd_elf32_arm_set_cortex_a8_fix
 808   (bfd *, struct bfd_link_info *);
 809
 810 extern bfd_boolean bfd_elf32_arm_vfp11_erratum_scan
 811   (bfd *, struct bfd_link_info *);
 812
 813 extern void bfd_elf32_arm_vfp11_fix_veneer_locations
 814   (bfd *, struct bfd_link_info *);
 815
 816 /* ARM STM STM32L4XX erratum workaround support.  */
 817 typedef enum
 818 {
 819   BFD_ARM_STM32L4XX_FIX_NONE,
 820   BFD_ARM_STM32L4XX_FIX_DEFAULT,
 821   BFD_ARM_STM32L4XX_FIX_ALL
 822 } bfd_arm_stm32l4xx_fix;
 823
 824 extern void bfd_elf32_arm_set_stm32l4xx_fix
 825   (bfd *, struct bfd_link_info *);
 826
 827 extern bfd_boolean bfd_elf32_arm_stm32l4xx_erratum_scan
 828   (bfd *, struct bfd_link_info *);
 829
 830 extern void bfd_elf32_arm_stm32l4xx_fix_veneer_locations
 831   (bfd *, struct bfd_link_info *);
 832
 833 /* ARM Interworking support.  Called from linker.  */
 834 extern bfd_boolean bfd_arm_allocate_interworking_sections
 835   (struct bfd_link_info *);
 836
 837 extern bfd_boolean bfd_arm_process_before_allocation
 838   (bfd *, struct bfd_link_info *, int);
 839
 840 extern bfd_boolean bfd_arm_get_bfd_for_interworking
 841   (bfd *, struct bfd_link_info *);
 842
 843 /* PE ARM Interworking support.  Called from linker.  */
 844 extern bfd_boolean bfd_arm_pe_allocate_interworking_sections
 845   (struct bfd_link_info *);
 846
 847 extern bfd_boolean bfd_arm_pe_process_before_allocation
 848   (bfd *, struct bfd_link_info *, int);
 849
 850 extern bfd_boolean bfd_arm_pe_get_bfd_for_interworking
 851   (bfd *, struct bfd_link_info *);
 852
 853 /* ELF ARM Interworking support.  Called from linker.  */
 854 extern bfd_boolean bfd_elf32_arm_allocate_interworking_sections
 855   (struct bfd_link_info *);
 856
 857 extern bfd_boolean bfd_elf32_arm_process_before_allocation
 858   (bfd *, struct bfd_link_info *);
 859
 860 struct elf32_arm_params {
 861   char *thumb_entry_symbol;
 862   int byteswap_code;
 863   int target1_is_rel;
 864   char * target2_type;
 865   int fix_v4bx;
 866   int use_blx;
 867   bfd_arm_vfp11_fix vfp11_denorm_fix;
 868   bfd_arm_stm32l4xx_fix stm32l4xx_fix;
 869   int no_enum_size_warning;
 870   int no_wchar_size_warning;
 871   int pic_veneer;
 872   int fix_cortex_a8;
 873   int fix_arm1176;
 874   int merge_exidx_entries;
 875   int cmse_implib;
 876   bfd *in_implib_bfd;
 877 };
 878
 879 void bfd_elf32_arm_set_target_params
 880   (bfd *, struct bfd_link_info *, struct elf32_arm_params *);
 881
 882 extern bfd_boolean bfd_elf32_arm_get_bfd_for_interworking
 883   (bfd *, struct bfd_link_info *);
 884
 885 extern bfd_boolean bfd_elf32_arm_add_glue_sections_to_bfd
 886   (bfd *, struct bfd_link_info *);
 887
 888 extern void bfd_elf32_arm_keep_private_stub_output_sections
 889   (struct bfd_link_info *);
 890
 891 /* ELF ARM mapping symbol support.  */
 892 #define BFD_ARM_SPECIAL_SYM_TYPE_MAP    (1 << 0)
 893 #define BFD_ARM_SPECIAL_SYM_TYPE_TAG    (1 << 1)
 894 #define BFD_ARM_SPECIAL_SYM_TYPE_OTHER  (1 << 2)
 895 #define BFD_ARM_SPECIAL_SYM_TYPE_ANY    (~0)
 896
 897 extern bfd_boolean bfd_is_arm_special_symbol_name
 898   (const char *, int);
 899
 900 extern void bfd_elf32_arm_set_byteswap_code
 901   (struct bfd_link_info *, int);
 902
 903 extern void bfd_elf32_arm_use_long_plt (void);
 904
 905 /* ARM Note section processing.  */
 906 extern bfd_boolean bfd_arm_merge_machines
 907   (bfd *, bfd *);
 908
 909 extern bfd_boolean bfd_arm_update_notes
 910   (bfd *, const char *);
 911
 912 extern unsigned int bfd_arm_get_mach_from_notes
 913   (bfd *, const char *);
 914
 915 /* ARM stub generation support.  Called from the linker.  */
 916 extern int elf32_arm_setup_section_lists
 917   (bfd *, struct bfd_link_info *);
 918 extern void elf32_arm_next_input_section
 919   (struct bfd_link_info *, struct bfd_section *);
 920 extern bfd_boolean elf32_arm_size_stubs
 921   (bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
 922    struct bfd_section * (*) (const char *, struct bfd_section *,
 923                              struct bfd_section *, unsigned int),
 924    void (*) (void));
 925 extern bfd_boolean elf32_arm_build_stubs
 926   (struct bfd_link_info *);
 927
 928 /* ARM unwind section editing support.  */
 929 extern bfd_boolean elf32_arm_fix_exidx_coverage
 930 (struct bfd_section **, unsigned int, struct bfd_link_info *, bfd_boolean);
 931
 932 /* C6x unwind section editing support.  */
 933 extern bfd_boolean elf32_tic6x_fix_exidx_coverage
 934 (struct bfd_section **, unsigned int, struct bfd_link_info *, bfd_boolean);
 935
 936 extern void bfd_elf64_aarch64_init_maps
 937   (bfd *);
 938
 939 extern void bfd_elf32_aarch64_init_maps
 940   (bfd *);
 941
 942 /* Types of PLTs based on the level of security.  This would be a
 943    bit-mask to denote which of the combinations of security features
 944    are enabled:
 945    - No security feature PLTs
 946    - PLTs with BTI instruction
 947    - PLTs with PAC instruction
 948 */
 949 typedef enum
 950 {
 951   PLT_NORMAL    = 0x0,  /* Normal plts.  */
 952   PLT_BTI       = 0x1,  /* plts with bti.  */
 953   PLT_PAC       = 0x2,  /* plts with pointer authentication.  */
 954   PLT_BTI_PAC   = PLT_BTI | PLT_PAC
 955 } aarch64_plt_type;
 956
 957 /* To indicate if BTI is enabled with/without warning.  */
 958 typedef enum
 959 {
 960   BTI_NONE      = 0,  /* BTI is not enabled.  */
 961   BTI_WARN      = 1,  /* BTI is enabled with -z force-bti.  */
 962 } aarch64_enable_bti_type;
 963
 964 /* A structure to encompass all information coming from BTI or PAC
 965    related command line options.  This involves the "PLT_TYPE" to determine
 966    which version of PLTs to pick and "BTI_TYPE" to determine if
 967    BTI should be turned on with any warnings.   */
 968 typedef struct
 969 {
 970   aarch64_plt_type plt_type;
 971   aarch64_enable_bti_type bti_type;
 972 } aarch64_bti_pac_info;
 973
 974 /* An enum to define what kind of erratum fixes we should apply.  This gives the
 975    user a bit more control over the sequences we generate.  */
 976 typedef enum
 977 {
 978   ERRAT_NONE  = (1 << 0),  /* No erratum workarounds allowed.  */
 979   ERRAT_ADR   = (1 << 1),  /* Erratum workarounds using ADR allowed.  */
 980   ERRAT_ADRP  = (1 << 2),  /* Erratum workarounds using ADRP are allowed.  */
 981 } erratum_84319_opts;
 982
 983 extern void bfd_elf64_aarch64_set_options
 984   (bfd *, struct bfd_link_info *, int, int, int, int, erratum_84319_opts, int,
 985    aarch64_bti_pac_info);
 986
 987 extern void bfd_elf32_aarch64_set_options
 988   (bfd *, struct bfd_link_info *, int, int, int, int, erratum_84319_opts, int,
 989    aarch64_bti_pac_info);
 990
 991 /* ELF AArch64 mapping symbol support.  */
 992 #define BFD_AARCH64_SPECIAL_SYM_TYPE_MAP        (1 << 0)
 993 #define BFD_AARCH64_SPECIAL_SYM_TYPE_TAG        (1 << 1)
 994 #define BFD_AARCH64_SPECIAL_SYM_TYPE_OTHER      (1 << 2)
 995 #define BFD_AARCH64_SPECIAL_SYM_TYPE_ANY        (~0)
 996 extern bfd_boolean bfd_is_aarch64_special_symbol_name
 997   (const char * name, int type);
 998
 999 /* AArch64 stub generation support for ELF64.  Called from the linker.  */
1000 extern int elf64_aarch64_setup_section_lists
1001   (bfd *, struct bfd_link_info *);
1002 extern void elf64_aarch64_next_input_section
1003   (struct bfd_link_info *, struct bfd_section *);
1004 extern bfd_boolean elf64_aarch64_size_stubs
1005   (bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
1006    struct bfd_section * (*) (const char *, struct bfd_section *),
1007    void (*) (void));
1008 extern bfd_boolean elf64_aarch64_build_stubs
1009   (struct bfd_link_info *);
1010 /* AArch64 stub generation support for ELF32.  Called from the linker.  */
1011 extern int elf32_aarch64_setup_section_lists
1012   (bfd *, struct bfd_link_info *);
1013 extern void elf32_aarch64_next_input_section
1014   (struct bfd_link_info *, struct bfd_section *);
1015 extern bfd_boolean elf32_aarch64_size_stubs
1016   (bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
1017    struct bfd_section * (*) (const char *, struct bfd_section *),
1018    void (*) (void));
1019 extern bfd_boolean elf32_aarch64_build_stubs
1020   (struct bfd_link_info *);
1021
1022
1023 /* TI COFF load page support.  */
1024 extern void bfd_ticoff_set_section_load_page
1025   (struct bfd_section *, int);
1026
1027 extern int bfd_ticoff_get_section_load_page
1028   (struct bfd_section *);
1029
1030 /* H8/300 functions.  */
1031 extern bfd_vma bfd_h8300_pad_address
1032   (bfd *, bfd_vma);
1033
1034 /* IA64 Itanium code generation.  Called from linker.  */
1035 extern void bfd_elf32_ia64_after_parse
1036   (int);
1037
1038 extern void bfd_elf64_ia64_after_parse
1039   (int);
1040
1041 /* V850 Note manipulation routines.  */
1042 extern bfd_boolean v850_elf_create_sections
1043   (struct bfd_link_info *);
1044
1045 extern bfd_boolean v850_elf_set_note
1046   (bfd *, unsigned int, unsigned int);
1047
1048 /* MIPS ABI flags data access.  For the disassembler.  */
1049 struct elf_internal_abiflags_v0;
1050 extern struct elf_internal_abiflags_v0 *bfd_mips_elf_get_abiflags (bfd *);
1051
1052 /* C-SKY functions.  */
1053 extern bfd_boolean elf32_csky_build_stubs
1054   (struct bfd_link_info *);
1055 extern bfd_boolean elf32_csky_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 void elf32_csky_next_input_section
1060   (struct bfd_link_info *, struct bfd_section *);
1061 extern int elf32_csky_setup_section_lists
1062   (bfd *, struct bfd_link_info *);