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/* Generic target-file-type support for the BFD library.

   Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,

   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010

   Free Software Foundation, Inc.

   Written by Cygnus Support.

   This file is part of BFD, the Binary File Descriptor library.

   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   This program is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program; if not, write to the Free Software

   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,

   MA 02110-1301, USA.  */

#include "sysdep.h"

#include "bfd.h"

#include "libbfd.h"

#include "fnmatch.h"

/*

   It's okay to see some:

#if 0

   directives in this source file, as targets.c uses them to exclude

   certain BFD vectors.  This comment is specially formatted to catch

   users who grep for ^#if 0, so please keep it this way!

*/

/*

SECTION

        Targets

DESCRIPTION

        Each port of BFD to a different machine requires the creation

        of a target back end. All the back end provides to the root

        part of BFD is a structure containing pointers to functions

        which perform certain low level operations on files. BFD

        translates the applications's requests through a pointer into

        calls to the back end routines.

        When a file is opened with <<bfd_openr>>, its format and

        target are unknown. BFD uses various mechanisms to determine

        how to interpret the file. The operations performed are:

        o Create a BFD by calling the internal routine

        <<_bfd_new_bfd>>, then call <<bfd_find_target>> with the

        target string supplied to <<bfd_openr>> and the new BFD pointer.

        o If a null target string was provided to <<bfd_find_target>>,

        look up the environment variable <<GNUTARGET>> and use

        that as the target string.

        o If the target string is still <<NULL>>, or the target string is

        <<default>>, then use the first item in the target vector

        as the target type, and set <<target_defaulted>> in the BFD to

        cause <<bfd_check_format>> to loop through all the targets.

        @xref{bfd_target}.  @xref{Formats}.

        o Otherwise, inspect the elements in the target vector

        one by one, until a match on target name is found. When found,

        use it.

        o Otherwise return the error <<bfd_error_invalid_target>> to

        <<bfd_openr>>.

        o <<bfd_openr>> attempts to open the file using

        <<bfd_open_file>>, and returns the BFD.

        Once the BFD has been opened and the target selected, the file

        format may be determined. This is done by calling

        <<bfd_check_format>> on the BFD with a suggested format.

        If <<target_defaulted>> has been set, each possible target

        type is tried to see if it recognizes the specified format.

        <<bfd_check_format>> returns <<TRUE>> when the caller guesses right.

@menu

@* bfd_target::

@end menu

*/

/*

INODE

        bfd_target,  , Targets, Targets

DOCDD

SUBSECTION

        bfd_target

DESCRIPTION

        This structure contains everything that BFD knows about a

        target. It includes things like its byte order, name, and which

        routines to call to do various operations.

        Every BFD points to a target structure with its <<xvec>>

        member.

        The macros below are used to dispatch to functions through the

        <<bfd_target>> vector. They are used in a number of macros further

        down in @file{bfd.h}, and are also used when calling various

        routines by hand inside the BFD implementation.  The @var{arglist}

        argument must be parenthesized; it contains all the arguments

        to the called function.

        They make the documentation (more) unpleasant to read, so if

        someone wants to fix this and not break the above, please do.

.#define BFD_SEND(bfd, message, arglist) \

.  ((*((bfd)->xvec->message)) arglist)

.

.#ifdef DEBUG_BFD_SEND

.#undef BFD_SEND

.#define BFD_SEND(bfd, message, arglist) \

.  (((bfd) && (bfd)->xvec && (bfd)->xvec->message) ? \

.    ((*((bfd)->xvec->message)) arglist) : \

.    (bfd_assert (__FILE__,__LINE__), NULL))

.#endif

        For operations which index on the BFD format:

.#define BFD_SEND_FMT(bfd, message, arglist) \

.  (((bfd)->xvec->message[(int) ((bfd)->format)]) arglist)

.

.#ifdef DEBUG_BFD_SEND

.#undef BFD_SEND_FMT

.#define BFD_SEND_FMT(bfd, message, arglist) \

.  (((bfd) && (bfd)->xvec && (bfd)->xvec->message) ? \

.   (((bfd)->xvec->message[(int) ((bfd)->format)]) arglist) : \

.   (bfd_assert (__FILE__,__LINE__), NULL))

.#endif

.

        This is the structure which defines the type of BFD this is.  The

        <<xvec>> member of the struct <<bfd>> itself points here.  Each

        module that implements access to a different target under BFD,

        defines one of these.

        FIXME, these names should be rationalised with the names of

        the entry points which call them. Too bad we can't have one

        macro to define them both!

.enum bfd_flavour

.{

.  bfd_target_unknown_flavour,

.  bfd_target_aout_flavour,

.  bfd_target_coff_flavour,

.  bfd_target_ecoff_flavour,

.  bfd_target_xcoff_flavour,

.  bfd_target_elf_flavour,

.  bfd_target_ieee_flavour,

.  bfd_target_nlm_flavour,

.  bfd_target_oasys_flavour,

.  bfd_target_tekhex_flavour,

.  bfd_target_srec_flavour,

.  bfd_target_verilog_flavour,

.  bfd_target_ihex_flavour,

.  bfd_target_som_flavour,

.  bfd_target_os9k_flavour,

.  bfd_target_versados_flavour,

.  bfd_target_msdos_flavour,

.  bfd_target_ovax_flavour,

.  bfd_target_evax_flavour,

.  bfd_target_mmo_flavour,

.  bfd_target_mach_o_flavour,

.  bfd_target_pef_flavour,

.  bfd_target_pef_xlib_flavour,

.  bfd_target_sym_flavour

.};

.

.enum bfd_endian { BFD_ENDIAN_BIG, BFD_ENDIAN_LITTLE, BFD_ENDIAN_UNKNOWN };

.

.{* Forward declaration.  *}

.typedef struct bfd_link_info _bfd_link_info;

.

.typedef struct bfd_target

.{

.  {* Identifies the kind of target, e.g., SunOS4, Ultrix, etc.  *}

.  char *name;

.

. {* The "flavour" of a back end is a general indication about

.    the contents of a file.  *}

.  enum bfd_flavour flavour;

.

.  {* The order of bytes within the data area of a file.  *}

.  enum bfd_endian byteorder;

.

. {* The order of bytes within the header parts of a file.  *}

.  enum bfd_endian header_byteorder;

.

.  {* A mask of all the flags which an executable may have set -

.     from the set <<BFD_NO_FLAGS>>, <<HAS_RELOC>>, ...<<D_PAGED>>.  *}

.  flagword object_flags;

.

. {* A mask of all the flags which a section may have set - from

.    the set <<SEC_NO_FLAGS>>, <<SEC_ALLOC>>, ...<<SET_NEVER_LOAD>>.  *}

.  flagword section_flags;

.

. {* The character normally found at the front of a symbol.

.    (if any), perhaps `_'.  *}

.  char symbol_leading_char;

.

. {* The pad character for file names within an archive header.  *}

.  char ar_pad_char;

.

.  {* The maximum number of characters in an archive header.  *}

.  unsigned short ar_max_namelen;

.

.  {* Entries for byte swapping for data. These are different from the

.     other entry points, since they don't take a BFD as the first argument.

.     Certain other handlers could do the same.  *}

.  bfd_uint64_t   (*bfd_getx64) (const void *);

.  bfd_int64_t    (*bfd_getx_signed_64) (const void *);

.  void           (*bfd_putx64) (bfd_uint64_t, void *);

.  bfd_vma        (*bfd_getx32) (const void *);

.  bfd_signed_vma (*bfd_getx_signed_32) (const void *);

.  void           (*bfd_putx32) (bfd_vma, void *);

.  bfd_vma        (*bfd_getx16) (const void *);

.  bfd_signed_vma (*bfd_getx_signed_16) (const void *);

.  void           (*bfd_putx16) (bfd_vma, void *);

.

.  {* Byte swapping for the headers.  *}

.  bfd_uint64_t   (*bfd_h_getx64) (const void *);

.  bfd_int64_t    (*bfd_h_getx_signed_64) (const void *);

.  void           (*bfd_h_putx64) (bfd_uint64_t, void *);

.  bfd_vma        (*bfd_h_getx32) (const void *);

.  bfd_signed_vma (*bfd_h_getx_signed_32) (const void *);

.  void           (*bfd_h_putx32) (bfd_vma, void *);

.  bfd_vma        (*bfd_h_getx16) (const void *);

.  bfd_signed_vma (*bfd_h_getx_signed_16) (const void *);

.  void           (*bfd_h_putx16) (bfd_vma, void *);

.

.  {* Format dependent routines: these are vectors of entry points

.     within the target vector structure, one for each format to check.  *}

.

.  {* Check the format of a file being read.  Return a <<bfd_target *>> or zero.  *}

.  const struct bfd_target *(*_bfd_check_format[bfd_type_end]) (bfd *);

.

.  {* Set the format of a file being written.  *}

.  bfd_boolean (*_bfd_set_format[bfd_type_end]) (bfd *);

.

.  {* Write cached information into a file being written, at <<bfd_close>>.  *}

.  bfd_boolean (*_bfd_write_contents[bfd_type_end]) (bfd *);

.

The general target vector.  These vectors are initialized using the

BFD_JUMP_TABLE macros.

.

.  {* Generic entry points.  *}

.#define BFD_JUMP_TABLE_GENERIC(NAME) \

.  NAME##_close_and_cleanup, \

.  NAME##_bfd_free_cached_info, \

.  NAME##_new_section_hook, \

.  NAME##_get_section_contents, \

.  NAME##_get_section_contents_in_window

.

.  {* Called when the BFD is being closed to do any necessary cleanup.  *}

.  bfd_boolean (*_close_and_cleanup) (bfd *);

.  {* Ask the BFD to free all cached information.  *}

.  bfd_boolean (*_bfd_free_cached_info) (bfd *);

.  {* Called when a new section is created.  *}

.  bfd_boolean (*_new_section_hook) (bfd *, sec_ptr);

.  {* Read the contents of a section.  *}

.  bfd_boolean (*_bfd_get_section_contents)

.    (bfd *, sec_ptr, void *, file_ptr, bfd_size_type);

.  bfd_boolean (*_bfd_get_section_contents_in_window)

.    (bfd *, sec_ptr, bfd_window *, file_ptr, bfd_size_type);

.

.  {* Entry points to copy private data.  *}

.#define BFD_JUMP_TABLE_COPY(NAME) \

.  NAME##_bfd_copy_private_bfd_data, \

.  NAME##_bfd_merge_private_bfd_data, \

.  _bfd_generic_init_private_section_data, \

.  NAME##_bfd_copy_private_section_data, \

.  NAME##_bfd_copy_private_symbol_data, \

.  NAME##_bfd_copy_private_header_data, \

.  NAME##_bfd_set_private_flags, \

.  NAME##_bfd_print_private_bfd_data

.

.  {* Called to copy BFD general private data from one object file

.     to another.  *}

.  bfd_boolean (*_bfd_copy_private_bfd_data) (bfd *, bfd *);

.  {* Called to merge BFD general private data from one object file

.     to a common output file when linking.  *}

.  bfd_boolean (*_bfd_merge_private_bfd_data) (bfd *, bfd *);

.  {* Called to initialize BFD private section data from one object file

.     to another.  *}

.#define bfd_init_private_section_data(ibfd, isec, obfd, osec, link_info) \

.  BFD_SEND (obfd, _bfd_init_private_section_data, (ibfd, isec, obfd, osec, link_info))

.  bfd_boolean (*_bfd_init_private_section_data)

.    (bfd *, sec_ptr, bfd *, sec_ptr, struct bfd_link_info *);

.  {* Called to copy BFD private section data from one object file

.     to another.  *}

.  bfd_boolean (*_bfd_copy_private_section_data)

.    (bfd *, sec_ptr, bfd *, sec_ptr);

.  {* Called to copy BFD private symbol data from one symbol

.     to another.  *}

.  bfd_boolean (*_bfd_copy_private_symbol_data)

.    (bfd *, asymbol *, bfd *, asymbol *);

.  {* Called to copy BFD private header data from one object file

.     to another.  *}

.  bfd_boolean (*_bfd_copy_private_header_data)

.    (bfd *, bfd *);

.  {* Called to set private backend flags.  *}

.  bfd_boolean (*_bfd_set_private_flags) (bfd *, flagword);

.

.  {* Called to print private BFD data.  *}

.  bfd_boolean (*_bfd_print_private_bfd_data) (bfd *, void *);

.

.  {* Core file entry points.  *}

.#define BFD_JUMP_TABLE_CORE(NAME) \

.  NAME##_core_file_failing_command, \

.  NAME##_core_file_failing_signal, \

.  NAME##_core_file_matches_executable_p, \

.  NAME##_core_file_pid

.

.  char *      (*_core_file_failing_command) (bfd *);

.  int         (*_core_file_failing_signal) (bfd *);

.  bfd_boolean (*_core_file_matches_executable_p) (bfd *, bfd *);

.  int         (*_core_file_pid) (bfd *);

.

.  {* Archive entry points.  *}

.#define BFD_JUMP_TABLE_ARCHIVE(NAME) \

.  NAME##_slurp_armap, \

.  NAME##_slurp_extended_name_table, \

.  NAME##_construct_extended_name_table, \

.  NAME##_truncate_arname, \

.  NAME##_write_armap, \

.  NAME##_read_ar_hdr, \

.  NAME##_write_ar_hdr, \

.  NAME##_openr_next_archived_file, \

.  NAME##_get_elt_at_index, \

.  NAME##_generic_stat_arch_elt, \

.  NAME##_update_armap_timestamp

.

.  bfd_boolean (*_bfd_slurp_armap) (bfd *);

.  bfd_boolean (*_bfd_slurp_extended_name_table) (bfd *);

.  bfd_boolean (*_bfd_construct_extended_name_table)

.    (bfd *, char **, bfd_size_type *, const char **);

.  void        (*_bfd_truncate_arname) (bfd *, const char *, char *);

.  bfd_boolean (*write_armap)

.    (bfd *, unsigned int, struct orl *, unsigned int, int);

.  void *      (*_bfd_read_ar_hdr_fn) (bfd *);

.  bfd_boolean (*_bfd_write_ar_hdr_fn) (bfd *, bfd *);

.  bfd *       (*openr_next_archived_file) (bfd *, bfd *);

.#define bfd_get_elt_at_index(b,i) BFD_SEND (b, _bfd_get_elt_at_index, (b,i))

.  bfd *       (*_bfd_get_elt_at_index) (bfd *, symindex);

.  int         (*_bfd_stat_arch_elt) (bfd *, struct stat *);

.  bfd_boolean (*_bfd_update_armap_timestamp) (bfd *);

.

.  {* Entry points used for symbols.  *}

.#define BFD_JUMP_TABLE_SYMBOLS(NAME) \

.  NAME##_get_symtab_upper_bound, \

.  NAME##_canonicalize_symtab, \

.  NAME##_make_empty_symbol, \

.  NAME##_print_symbol, \

.  NAME##_get_symbol_info, \

.  NAME##_bfd_is_local_label_name, \

.  NAME##_bfd_is_target_special_symbol, \

.  NAME##_get_lineno, \

.  NAME##_find_nearest_line, \

.  _bfd_generic_find_line, \

.  NAME##_find_inliner_info, \

.  NAME##_bfd_make_debug_symbol, \

.  NAME##_read_minisymbols, \

.  NAME##_minisymbol_to_symbol

.

.  long        (*_bfd_get_symtab_upper_bound) (bfd *);

.  long        (*_bfd_canonicalize_symtab)

.    (bfd *, struct bfd_symbol **);

.  struct bfd_symbol *

.              (*_bfd_make_empty_symbol) (bfd *);

.  void        (*_bfd_print_symbol)

.    (bfd *, void *, struct bfd_symbol *, bfd_print_symbol_type);

.#define bfd_print_symbol(b,p,s,e) BFD_SEND (b, _bfd_print_symbol, (b,p,s,e))

.  void        (*_bfd_get_symbol_info)

.    (bfd *, struct bfd_symbol *, symbol_info *);

.#define bfd_get_symbol_info(b,p,e) BFD_SEND (b, _bfd_get_symbol_info, (b,p,e))

.  bfd_boolean (*_bfd_is_local_label_name) (bfd *, const char *);

.  bfd_boolean (*_bfd_is_target_special_symbol) (bfd *, asymbol *);

.  alent *     (*_get_lineno) (bfd *, struct bfd_symbol *);

.  bfd_boolean (*_bfd_find_nearest_line)

.    (bfd *, struct bfd_section *, struct bfd_symbol **, bfd_vma,

.     const char **, const char **, unsigned int *);

.  bfd_boolean (*_bfd_find_line)

.    (bfd *, struct bfd_symbol **, struct bfd_symbol *,

.     const char **, unsigned int *);

.  bfd_boolean (*_bfd_find_inliner_info)

.    (bfd *, const char **, const char **, unsigned int *);

. {* Back-door to allow format-aware applications to create debug symbols

.    while using BFD for everything else.  Currently used by the assembler

.    when creating COFF files.  *}

.  asymbol *   (*_bfd_make_debug_symbol)

.    (bfd *, void *, unsigned long size);

.#define bfd_read_minisymbols(b, d, m, s) \

.  BFD_SEND (b, _read_minisymbols, (b, d, m, s))

.  long        (*_read_minisymbols)

.    (bfd *, bfd_boolean, void **, unsigned int *);

.#define bfd_minisymbol_to_symbol(b, d, m, f) \

.  BFD_SEND (b, _minisymbol_to_symbol, (b, d, m, f))

.  asymbol *   (*_minisymbol_to_symbol)

.    (bfd *, bfd_boolean, const void *, asymbol *);

.

.  {* Routines for relocs.  *}

.#define BFD_JUMP_TABLE_RELOCS(NAME) \

.  NAME##_get_reloc_upper_bound, \

.  NAME##_canonicalize_reloc, \

.  NAME##_bfd_reloc_type_lookup, \

.  NAME##_bfd_reloc_name_lookup

.

.  long        (*_get_reloc_upper_bound) (bfd *, sec_ptr);

.  long        (*_bfd_canonicalize_reloc)

.    (bfd *, sec_ptr, arelent **, struct bfd_symbol **);

.  {* See documentation on reloc types.  *}

.  reloc_howto_type *

.              (*reloc_type_lookup) (bfd *, bfd_reloc_code_real_type);

.  reloc_howto_type *

.              (*reloc_name_lookup) (bfd *, const char *);

.

.

.  {* Routines used when writing an object file.  *}

.#define BFD_JUMP_TABLE_WRITE(NAME) \

.  NAME##_set_arch_mach, \

.  NAME##_set_section_contents

.

.  bfd_boolean (*_bfd_set_arch_mach)

.    (bfd *, enum bfd_architecture, unsigned long);

.  bfd_boolean (*_bfd_set_section_contents)

.    (bfd *, sec_ptr, const void *, file_ptr, bfd_size_type);

.

.  {* Routines used by the linker.  *}

.#define BFD_JUMP_TABLE_LINK(NAME) \

.  NAME##_sizeof_headers, \

.  NAME##_bfd_get_relocated_section_contents, \

.  NAME##_bfd_relax_section, \

.  NAME##_bfd_link_hash_table_create, \

.  NAME##_bfd_link_hash_table_free, \

.  NAME##_bfd_link_add_symbols, \

.  NAME##_bfd_link_just_syms, \

.  NAME##_bfd_copy_link_hash_symbol_type, \

.  NAME##_bfd_final_link, \

.  NAME##_bfd_link_split_section, \

.  NAME##_bfd_gc_sections, \

.  NAME##_bfd_merge_sections, \

.  NAME##_bfd_is_group_section, \

.  NAME##_bfd_discard_group, \

.  NAME##_section_already_linked, \

.  NAME##_bfd_define_common_symbol

.

.  int         (*_bfd_sizeof_headers) (bfd *, struct bfd_link_info *);

.  bfd_byte *  (*_bfd_get_relocated_section_contents)

.    (bfd *, struct bfd_link_info *, struct bfd_link_order *,

.     bfd_byte *, bfd_boolean, struct bfd_symbol **);

.

.  bfd_boolean (*_bfd_relax_section)

.    (bfd *, struct bfd_section *, struct bfd_link_info *, bfd_boolean *);

.

.  {* Create a hash table for the linker.  Different backends store

.     different information in this table.  *}

.  struct bfd_link_hash_table *

.              (*_bfd_link_hash_table_create) (bfd *);

.

.  {* Release the memory associated with the linker hash table.  *}

.  void        (*_bfd_link_hash_table_free) (struct bfd_link_hash_table *);

.

.  {* Add symbols from this object file into the hash table.  *}

.  bfd_boolean (*_bfd_link_add_symbols) (bfd *, struct bfd_link_info *);

.

.  {* Indicate that we are only retrieving symbol values from this section.  *}

.  void        (*_bfd_link_just_syms) (asection *, struct bfd_link_info *);

.

.  {* Copy the symbol type of a linker hash table entry.  *}

.#define bfd_copy_link_hash_symbol_type(b, t, f) \

.  BFD_SEND (b, _bfd_copy_link_hash_symbol_type, (b, t, f))

.  void (*_bfd_copy_link_hash_symbol_type)

.    (bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *);

.

.  {* Do a link based on the link_order structures attached to each

.     section of the BFD.  *}

.  bfd_boolean (*_bfd_final_link) (bfd *, struct bfd_link_info *);

.

.  {* Should this section be split up into smaller pieces during linking.  *}

.  bfd_boolean (*_bfd_link_split_section) (bfd *, struct bfd_section *);

.

.  {* Remove sections that are not referenced from the output.  *}

.  bfd_boolean (*_bfd_gc_sections) (bfd *, struct bfd_link_info *);

.

.  {* Attempt to merge SEC_MERGE sections.  *}

.  bfd_boolean (*_bfd_merge_sections) (bfd *, struct bfd_link_info *);

.

.  {* Is this section a member of a group?  *}

.  bfd_boolean (*_bfd_is_group_section) (bfd *, const struct bfd_section *);

.

.  {* Discard members of a group.  *}

.  bfd_boolean (*_bfd_discard_group) (bfd *, struct bfd_section *);

.

.  {* Check if SEC has been already linked during a reloceatable or

.     final link.  *}

.  void (*_section_already_linked) (bfd *, struct bfd_section *,

.                                   struct bfd_link_info *);

.

.  {* Define a common symbol.  *}

.  bfd_boolean (*_bfd_define_common_symbol) (bfd *, struct bfd_link_info *,

.                                            struct bfd_link_hash_entry *);

.

.  {* Routines to handle dynamic symbols and relocs.  *}

.#define BFD_JUMP_TABLE_DYNAMIC(NAME) \

.  NAME##_get_dynamic_symtab_upper_bound, \

.  NAME##_canonicalize_dynamic_symtab, \

.  NAME##_get_synthetic_symtab, \

.  NAME##_get_dynamic_reloc_upper_bound, \

.  NAME##_canonicalize_dynamic_reloc

.

.  {* Get the amount of memory required to hold the dynamic symbols.  *}

.  long        (*_bfd_get_dynamic_symtab_upper_bound) (bfd *);

.  {* Read in the dynamic symbols.  *}

.  long        (*_bfd_canonicalize_dynamic_symtab)

.    (bfd *, struct bfd_symbol **);

.  {* Create synthetized symbols.  *}

.  long        (*_bfd_get_synthetic_symtab)

.    (bfd *, long, struct bfd_symbol **, long, struct bfd_symbol **,

.     struct bfd_symbol **);

.  {* Get the amount of memory required to hold the dynamic relocs.  *}

.  long        (*_bfd_get_dynamic_reloc_upper_bound) (bfd *);

.  {* Read in the dynamic relocs.  *}

.  long        (*_bfd_canonicalize_dynamic_reloc)

.    (bfd *, arelent **, struct bfd_symbol **);

.

A pointer to an alternative bfd_target in case the current one is not

satisfactory.  This can happen when the target cpu supports both big

and little endian code, and target chosen by the linker has the wrong

endianness.  The function open_output() in ld/ldlang.c uses this field

to find an alternative output format that is suitable.

.  {* Opposite endian version of this target.  *}

.  const struct bfd_target * alternative_target;

.

.  {* Data for use by back-end routines, which isn't

.     generic enough to belong in this structure.  *}

.  const void *backend_data;

.

.} bfd_target;

.

*/

/* All known xvecs (even those that don't compile on all systems).

   Alphabetized for easy reference.

   They are listed a second time below, since

   we can't intermix extern's and initializers.  */

extern const bfd_target a_out_adobe_vec;

extern const bfd_target aix5coff64_vec;

extern const bfd_target aout0_big_vec;

extern const bfd_target aout_arm_big_vec;

extern const bfd_target aout_arm_little_vec;

extern const bfd_target aout_mips_big_vec;

extern const bfd_target aout_mips_little_vec;

extern const bfd_target apollocoff_vec;

extern const bfd_target arm_epoc_pe_big_vec;

extern const bfd_target arm_epoc_pe_little_vec;

extern const bfd_target arm_epoc_pei_big_vec;

extern const bfd_target arm_epoc_pei_little_vec;

extern const bfd_target arm_wince_pe_big_vec;

extern const bfd_target arm_wince_pe_little_vec;

extern const bfd_target arm_wince_pei_big_vec;

extern const bfd_target arm_wince_pei_little_vec;

extern const bfd_target armcoff_big_vec;

extern const bfd_target armcoff_little_vec;

extern const bfd_target armnetbsd_vec;

extern const bfd_target armpe_big_vec;

extern const bfd_target armpe_little_vec;

extern const bfd_target armpei_big_vec;

extern const bfd_target armpei_little_vec;

extern const bfd_target b_out_vec_big_host;

extern const bfd_target b_out_vec_little_host;

extern const bfd_target bfd_pei_ia64_vec;

extern const bfd_target bfd_elf32_avr_vec;

extern const bfd_target bfd_elf32_bfin_vec;

extern const bfd_target bfd_elf32_bfinfdpic_vec;

extern const bfd_target bfd_elf32_big_generic_vec;

extern const bfd_target bfd_elf32_bigarc_vec;

extern const bfd_target bfd_elf32_bigarm_vec;

extern const bfd_target bfd_elf32_bigarm_symbian_vec;

extern const bfd_target bfd_elf32_bigarm_vxworks_vec;

extern const bfd_target bfd_elf32_bigmips_vec;

extern const bfd_target bfd_elf32_bigmips_vxworks_vec;

extern const bfd_target bfd_elf32_cr16_vec;

extern const bfd_target bfd_elf32_cr16c_vec;

extern const bfd_target bfd_elf32_cris_vec;

extern const bfd_target bfd_elf32_crx_vec;

extern const bfd_target bfd_elf32_d10v_vec;

extern const bfd_target bfd_elf32_d30v_vec;

extern const bfd_target bfd_elf32_dlx_big_vec;

extern const bfd_target bfd_elf32_fr30_vec;

extern const bfd_target bfd_elf32_frv_vec;

extern const bfd_target bfd_elf32_frvfdpic_vec;

extern const bfd_target bfd_elf32_moxie_vec;

extern const bfd_target bfd_elf32_h8300_vec;

extern const bfd_target bfd_elf32_hppa_linux_vec;

extern const bfd_target bfd_elf32_hppa_nbsd_vec;

extern const bfd_target bfd_elf32_hppa_vec;

extern const bfd_target bfd_elf32_i370_vec;

extern const bfd_target bfd_elf32_i386_freebsd_vec;

extern const bfd_target bfd_elf32_i386_sol2_vec;

extern const bfd_target bfd_elf32_i386_vxworks_vec;

extern const bfd_target bfd_elf32_i386_vec;

extern const bfd_target bfd_elf32_i860_little_vec;

extern const bfd_target bfd_elf32_i860_vec;

extern const bfd_target bfd_elf32_i960_vec;

extern const bfd_target bfd_elf32_ia64_big_vec;

extern const bfd_target bfd_elf32_ia64_hpux_big_vec;

extern const bfd_target bfd_elf32_ip2k_vec;

extern const bfd_target bfd_elf32_iq2000_vec;

extern const bfd_target bfd_elf32_lm32_vec;

extern const bfd_target bfd_elf32_lm32fdpic_vec;

extern const bfd_target bfd_elf32_little_generic_vec;

extern const bfd_target bfd_elf32_littlearc_vec;

extern const bfd_target bfd_elf32_littlearm_vec;

extern const bfd_target bfd_elf32_littlearm_symbian_vec;

extern const bfd_target bfd_elf32_littlearm_vxworks_vec;

extern const bfd_target bfd_elf32_littlemips_vec;

extern const bfd_target bfd_elf32_littlemips_vxworks_vec;

extern const bfd_target bfd_elf32_m32c_vec;

extern const bfd_target bfd_elf32_m32r_vec;

extern const bfd_target bfd_elf32_m32rle_vec;

extern const bfd_target bfd_elf32_m32rlin_vec;

extern const bfd_target bfd_elf32_m32rlelin_vec;

extern const bfd_target bfd_elf32_m68hc11_vec;

extern const bfd_target bfd_elf32_m68hc12_vec;

extern const bfd_target bfd_elf32_m68k_vec;

extern const bfd_target bfd_elf32_m88k_vec;

extern const bfd_target bfd_elf32_mcore_big_vec;

extern const bfd_target bfd_elf32_mcore_little_vec;

extern const bfd_target bfd_elf32_mep_vec;

extern const bfd_target bfd_elf32_mep_little_vec;

extern const bfd_target bfd_elf32_microblaze_vec;

extern const bfd_target bfd_elf32_mn10200_vec;

extern const bfd_target bfd_elf32_mn10300_vec;

extern const bfd_target bfd_elf32_mt_vec;

extern const bfd_target bfd_elf32_msp430_vec;

extern const bfd_target bfd_elf32_nbigmips_vec;

extern const bfd_target bfd_elf32_nlittlemips_vec;

extern const bfd_target bfd_elf32_ntradbigmips_vec;

extern const bfd_target bfd_elf32_ntradlittlemips_vec;

extern const bfd_target bfd_elf32_ntradbigmips_freebsd_vec;

extern const bfd_target bfd_elf32_ntradlittlemips_freebsd_vec;

extern const bfd_target bfd_elf32_open8_vec;

extern const bfd_target bfd_elf32_openrisc_vec;

extern const bfd_target bfd_elf32_or32_big_vec;

extern const bfd_target bfd_elf32_pj_vec;

extern const bfd_target bfd_elf32_pjl_vec;

extern const bfd_target bfd_elf32_powerpc_vec;

extern const bfd_target bfd_elf32_powerpcle_vec;

extern const bfd_target bfd_elf32_powerpc_vxworks_vec;

extern const bfd_target bfd_elf32_rx_le_vec;

extern const bfd_target bfd_elf32_rx_be_vec;

extern const bfd_target bfd_elf32_rx_be_ns_vec;

extern const bfd_target bfd_elf32_s390_vec;

extern const bfd_target bfd_elf32_bigscore_vec;

extern const bfd_target bfd_elf32_littlescore_vec;

extern const bfd_target bfd_elf32_sh64_vec;

extern const bfd_target bfd_elf32_sh64l_vec;

extern const bfd_target bfd_elf32_sh64lin_vec;

extern const bfd_target bfd_elf32_sh64blin_vec;

extern const bfd_target bfd_elf32_sh64lnbsd_vec;

extern const bfd_target bfd_elf32_sh64nbsd_vec;

extern const bfd_target bfd_elf32_sh_vec;

extern const bfd_target bfd_elf32_shbfd_vec;

extern const bfd_target bfd_elf32_shblin_vec;

extern const bfd_target bfd_elf32_shfd_vec;

extern const bfd_target bfd_elf32_shl_vec;

extern const bfd_target bfd_elf32_shl_symbian_vec;

extern const bfd_target bfd_elf32_shlin_vec;

extern const bfd_target bfd_elf32_shlnbsd_vec;

extern const bfd_target bfd_elf32_shlvxworks_vec;

extern const bfd_target bfd_elf32_shnbsd_vec;

extern const bfd_target bfd_elf32_shvxworks_vec;

extern const bfd_target bfd_elf32_sparc_vec;

extern const bfd_target bfd_elf32_sparc_sol2_vec;

extern const bfd_target bfd_elf32_sparc_vxworks_vec;

extern const bfd_target bfd_elf32_spu_vec;

extern const bfd_target bfd_elf32_tic6x_be_vec;

extern const bfd_target bfd_elf32_tic6x_le_vec;

extern const bfd_target bfd_elf32_tic6x_elf_be_vec;

extern const bfd_target bfd_elf32_tic6x_elf_le_vec;

extern const bfd_target bfd_elf32_tic6x_linux_be_vec;

extern const bfd_target bfd_elf32_tic6x_linux_le_vec;

extern const bfd_target bfd_elf32_tradbigmips_vec;

extern const bfd_target bfd_elf32_tradlittlemips_vec;

extern const bfd_target bfd_elf32_tradbigmips_freebsd_vec;

extern const bfd_target bfd_elf32_tradlittlemips_freebsd_vec;

extern const bfd_target bfd_elf32_us_cris_vec;

extern const bfd_target bfd_elf32_v850_vec;

extern const bfd_target bfd_elf32_vax_vec;

extern const bfd_target bfd_elf32_xc16x_vec;

extern const bfd_target bfd_elf32_xstormy16_vec;

extern const bfd_target bfd_elf32_xtensa_be_vec;

extern const bfd_target bfd_elf32_xtensa_le_vec;

extern const bfd_target bfd_elf64_alpha_freebsd_vec;

extern const bfd_target bfd_elf64_alpha_vec;

extern const bfd_target bfd_elf64_big_generic_vec;

extern const bfd_target bfd_elf64_bigmips_vec;

extern const bfd_target bfd_elf64_hppa_linux_vec;

extern const bfd_target bfd_elf64_hppa_vec;

extern const bfd_target bfd_elf64_ia64_big_vec;

extern const bfd_target bfd_elf64_ia64_hpux_big_vec;

extern const bfd_target bfd_elf64_ia64_little_vec;

extern const bfd_target bfd_elf64_ia64_vms_vec;

extern const bfd_target bfd_elf64_little_generic_vec;

extern const bfd_target bfd_elf64_littlemips_vec;

extern const bfd_target bfd_elf64_mmix_vec;

extern const bfd_target bfd_elf64_powerpc_vec;

extern const bfd_target bfd_elf64_powerpcle_vec;

extern const bfd_target bfd_elf64_s390_vec;

extern const bfd_target bfd_elf64_sh64_vec;

extern const bfd_target bfd_elf64_sh64l_vec;

extern const bfd_target bfd_elf64_sh64lin_vec;

extern const bfd_target bfd_elf64_sh64blin_vec;

extern const bfd_target bfd_elf64_sh64lnbsd_vec;

extern const bfd_target bfd_elf64_sh64nbsd_vec;

extern const bfd_target bfd_elf64_sparc_vec;

extern const bfd_target bfd_elf64_sparc_freebsd_vec;

extern const bfd_target bfd_elf64_sparc_sol2_vec;

extern const bfd_target bfd_elf64_tradbigmips_vec;

extern const bfd_target bfd_elf64_tradlittlemips_vec;

extern const bfd_target bfd_elf64_tradbigmips_freebsd_vec;

extern const bfd_target bfd_elf64_tradlittlemips_freebsd_vec;

extern const bfd_target bfd_elf64_x86_64_freebsd_vec;

extern const bfd_target bfd_elf64_x86_64_sol2_vec;

extern const bfd_target bfd_elf64_x86_64_vec;

extern const bfd_target bfd_elf32_x86_64_vec;

extern const bfd_target bfd_elf64_l1om_freebsd_vec;

extern const bfd_target bfd_elf64_l1om_vec;

extern const bfd_target bfd_mmo_vec;

extern const bfd_target bfd_powerpc_pe_vec;

extern const bfd_target bfd_powerpc_pei_vec;

extern const bfd_target bfd_powerpcle_pe_vec;

extern const bfd_target bfd_powerpcle_pei_vec;

extern const bfd_target cris_aout_vec;

extern const bfd_target demo_64_vec;

extern const bfd_target ecoff_big_vec;

extern const bfd_target ecoff_biglittle_vec;

extern const bfd_target ecoff_little_vec;

extern const bfd_target ecoffalpha_little_vec;

extern const bfd_target go32coff_vec;

extern const bfd_target go32stubbedcoff_vec;

extern const bfd_target h8300coff_vec;

extern const bfd_target h8500coff_vec;

extern const bfd_target host_aout_vec;

extern const bfd_target hp300bsd_vec;

extern const bfd_target hp300hpux_vec;

extern const bfd_target i386aout_vec;

extern const bfd_target i386bsd_vec;

extern const bfd_target i386coff_vec;

extern const bfd_target i386dynix_vec;

extern const bfd_target i386freebsd_vec;

extern const bfd_target i386linux_vec;

extern const bfd_target i386lynx_aout_vec;

extern const bfd_target i386lynx_coff_vec;

extern const bfd_target i386mach3_vec;

extern const bfd_target i386msdos_vec;

extern const bfd_target i386netbsd_vec;

extern const bfd_target i386os9k_vec;

extern const bfd_target i386pe_vec;

extern const bfd_target i386pei_vec;

extern const bfd_target i860coff_vec;

extern const bfd_target icoff_big_vec;

extern const bfd_target icoff_little_vec;

extern const bfd_target ieee_vec;

extern const bfd_target m68k4knetbsd_vec;

extern const bfd_target m68kaux_coff_vec;

extern const bfd_target m68kcoff_vec;

extern const bfd_target m68kcoffun_vec;

extern const bfd_target m68klinux_vec;

extern const bfd_target m68knetbsd_vec;

extern const bfd_target m68ksysvcoff_vec;

extern const bfd_target m88kbcs_vec;

extern const bfd_target m88kmach3_vec;

extern const bfd_target m88kopenbsd_vec;

extern const bfd_target mach_o_be_vec;

extern const bfd_target mach_o_le_vec;

extern const bfd_target mach_o_fat_vec;

extern const bfd_target mach_o_i386_vec;

extern const bfd_target mach_o_x86_64_vec;

extern const bfd_target mcore_pe_big_vec;

extern const bfd_target mcore_pe_little_vec;

extern const bfd_target mcore_pei_big_vec;

extern const bfd_target mcore_pei_little_vec;

extern const bfd_target mipslpe_vec;

extern const bfd_target mipslpei_vec;

extern const bfd_target newsos3_vec;

extern const bfd_target nlm32_alpha_vec;

extern const bfd_target nlm32_i386_vec;

extern const bfd_target nlm32_powerpc_vec;

extern const bfd_target nlm32_sparc_vec;

extern const bfd_target oasys_vec;

extern const bfd_target or32coff_big_vec;

extern const bfd_target pc532machaout_vec;

extern const bfd_target pc532netbsd_vec;

extern const bfd_target pdp11_aout_vec;

extern const bfd_target pef_vec;

extern const bfd_target pef_xlib_vec;

extern const bfd_target plugin_vec;

extern const bfd_target pmac_xcoff_vec;

extern const bfd_target ppcboot_vec;

extern const bfd_target riscix_vec;

extern const bfd_target rs6000coff64_vec;

extern const bfd_target rs6000coff_vec;

extern const bfd_target shcoff_small_vec;

extern const bfd_target shcoff_vec;

extern const bfd_target shlcoff_small_vec;

extern const bfd_target shlcoff_vec;

extern const bfd_target shlpe_vec;

extern const bfd_target shlpei_vec;

extern const bfd_target som_vec;

extern const bfd_target sparccoff_vec;

extern const bfd_target sparcle_aout_vec;