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/* Target definitions for NN-bit ELF

   Copyright 1993, 1994, 1995, 1996, 1997 Free Software Foundation, Inc.

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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */

/* This structure contains everything that BFD knows about a target.

   It includes things like its byte order, name, what routines to call

   to do various operations, etc.  Every BFD points to a target structure

   with its "xvec" member.

   There are two such structures here:  one for big-endian machines and

   one for little-endian machines.   */

#define bfd_elfNN_close_and_cleanup _bfd_elf_close_and_cleanup

#define bfd_elfNN_bfd_free_cached_info _bfd_generic_bfd_free_cached_info

#ifndef bfd_elfNN_get_section_contents

#define bfd_elfNN_get_section_contents _bfd_generic_get_section_contents

#endif

#define bfd_elfNN_canonicalize_dynamic_symtab _bfd_elf_canonicalize_dynamic_symtab

#define bfd_elfNN_canonicalize_reloc    _bfd_elf_canonicalize_reloc

#ifndef bfd_elfNN_find_nearest_line

#define bfd_elfNN_find_nearest_line     _bfd_elf_find_nearest_line

#endif

#define bfd_elfNN_read_minisymbols      _bfd_elf_read_minisymbols

#define bfd_elfNN_minisymbol_to_symbol  _bfd_elf_minisymbol_to_symbol

#define bfd_elfNN_get_dynamic_symtab_upper_bound _bfd_elf_get_dynamic_symtab_upper_bound

#define bfd_elfNN_get_lineno            _bfd_elf_get_lineno

#ifndef bfd_elfNN_get_reloc_upper_bound

#define bfd_elfNN_get_reloc_upper_bound _bfd_elf_get_reloc_upper_bound

#endif

#define bfd_elfNN_get_symbol_info       _bfd_elf_get_symbol_info

#define bfd_elfNN_get_symtab            _bfd_elf_get_symtab

#define bfd_elfNN_get_symtab_upper_bound _bfd_elf_get_symtab_upper_bound

#if 0 /* done in elf-bfd.h */

#define bfd_elfNN_link_record_dynamic_symbol _bfd_elf_link_record_dynamic_symbol

#endif

#define bfd_elfNN_make_empty_symbol     _bfd_elf_make_empty_symbol

#define bfd_elfNN_new_section_hook      _bfd_elf_new_section_hook

#define bfd_elfNN_set_arch_mach         _bfd_elf_set_arch_mach

#ifndef bfd_elfNN_set_section_contents

#define bfd_elfNN_set_section_contents  _bfd_elf_set_section_contents

#endif

#define bfd_elfNN_sizeof_headers        _bfd_elf_sizeof_headers

#define bfd_elfNN_write_object_contents _bfd_elf_write_object_contents

#define bfd_elfNN_write_corefile_contents _bfd_elf_write_corefile_contents

#define bfd_elfNN_get_section_contents_in_window \

  _bfd_generic_get_section_contents_in_window

#ifndef elf_backend_got_symbol_offset

#define elf_backend_got_symbol_offset (bfd_vma) 0

#endif

#ifndef elf_backend_want_got_plt

#define elf_backend_want_got_plt 0

#endif

#ifndef elf_backend_plt_readonly

#define elf_backend_plt_readonly 0

#endif

#ifndef elf_backend_want_plt_sym

#define elf_backend_want_plt_sym 0

#endif

#ifndef elf_backend_plt_not_loaded

#define elf_backend_plt_not_loaded 0

#endif

#ifndef elf_backend_plt_alignment

#define elf_backend_plt_alignment 2

#endif

#ifndef elf_backend_want_dynbss

#define elf_backend_want_dynbss 1

#endif

#define bfd_elfNN_bfd_debug_info_start  bfd_void

#define bfd_elfNN_bfd_debug_info_end    bfd_void

#define bfd_elfNN_bfd_debug_info_accumulate     (PROTO(void,(*),(bfd*, struct sec *))) bfd_void

#ifndef bfd_elfNN_bfd_get_relocated_section_contents

#define bfd_elfNN_bfd_get_relocated_section_contents \

 bfd_generic_get_relocated_section_contents

#endif

#ifndef bfd_elfNN_bfd_relax_section

#define bfd_elfNN_bfd_relax_section bfd_generic_relax_section

#endif

#ifndef elf_backend_can_gc_sections

#define elf_backend_can_gc_sections 0

#endif

#ifndef elf_backend_gc_mark_hook

#define elf_backend_gc_mark_hook        NULL

#endif

#ifndef elf_backend_gc_sweep_hook

#define elf_backend_gc_sweep_hook       NULL

#endif

#ifndef bfd_elfNN_bfd_gc_sections

#define bfd_elfNN_bfd_gc_sections _bfd_elfNN_gc_sections

#endif

#define bfd_elfNN_bfd_make_debug_symbol \

  ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)

#ifndef bfd_elfNN_bfd_copy_private_symbol_data

#define bfd_elfNN_bfd_copy_private_symbol_data \

  _bfd_elf_copy_private_symbol_data

#endif

#ifndef bfd_elfNN_bfd_copy_private_section_data

#define bfd_elfNN_bfd_copy_private_section_data \

  _bfd_elf_copy_private_section_data

#endif

#ifndef bfd_elfNN_bfd_copy_private_bfd_data

#define bfd_elfNN_bfd_copy_private_bfd_data \

  ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)

#endif

#ifndef bfd_elfNN_bfd_print_private_bfd_data

#define bfd_elfNN_bfd_print_private_bfd_data \

  _bfd_elf_print_private_bfd_data

#endif

#ifndef bfd_elfNN_bfd_merge_private_bfd_data

#define bfd_elfNN_bfd_merge_private_bfd_data \

  ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)

#endif

#ifndef bfd_elfNN_bfd_set_private_flags

#define bfd_elfNN_bfd_set_private_flags \

  ((boolean (*) PARAMS ((bfd *, flagword))) bfd_true)

#endif

#ifndef bfd_elfNN_bfd_is_local_label_name

#define bfd_elfNN_bfd_is_local_label_name _bfd_elf_is_local_label_name

#endif

#ifndef bfd_elfNN_get_dynamic_reloc_upper_bound

#define bfd_elfNN_get_dynamic_reloc_upper_bound \

  _bfd_elf_get_dynamic_reloc_upper_bound

#endif

#ifndef bfd_elfNN_canonicalize_dynamic_reloc

#define bfd_elfNN_canonicalize_dynamic_reloc \

  _bfd_elf_canonicalize_dynamic_reloc

#endif

#ifdef elf_backend_relocate_section

#ifndef bfd_elfNN_bfd_link_hash_table_create

#define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create

#endif

#else /* ! defined (elf_backend_relocate_section) */

/* If no backend relocate_section routine, use the generic linker.  */

#ifndef bfd_elfNN_bfd_link_hash_table_create

#define bfd_elfNN_bfd_link_hash_table_create \

  _bfd_generic_link_hash_table_create

#endif

#ifndef bfd_elfNN_bfd_link_add_symbols

#define bfd_elfNN_bfd_link_add_symbols  _bfd_generic_link_add_symbols

#endif

#ifndef bfd_elfNN_bfd_final_link

#define bfd_elfNN_bfd_final_link        _bfd_generic_final_link

#endif

#endif /* ! defined (elf_backend_relocate_section) */

#ifndef bfd_elfNN_bfd_link_split_section

#define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section

#endif

#ifndef bfd_elfNN_archive_p

#define bfd_elfNN_archive_p bfd_generic_archive_p

#endif

#ifndef bfd_elfNN_write_archive_contents

#define bfd_elfNN_write_archive_contents _bfd_write_archive_contents

#endif

#ifndef bfd_elfNN_mkobject

#define bfd_elfNN_mkobject bfd_elf_mkobject

#endif

#ifndef bfd_elfNN_mkcorefile

#define bfd_elfNN_mkcorefile bfd_elf_mkcorefile

#endif

#ifndef bfd_elfNN_mkarchive

#define bfd_elfNN_mkarchive _bfd_generic_mkarchive

#endif

#ifndef elf_symbol_leading_char

#define elf_symbol_leading_char 0

#endif

#ifndef elf_info_to_howto

#define elf_info_to_howto 0

#endif

#ifndef elf_info_to_howto_rel

#define elf_info_to_howto_rel 0

#endif

#ifndef ELF_MAXPAGESIZE

  #error ELF_MAXPAGESIZE is not defined

#define ELF_MAXPAGESIZE 1

#endif

#ifndef elf_backend_collect

#define elf_backend_collect false

#endif

#ifndef elf_backend_type_change_ok

#define elf_backend_type_change_ok false

#endif

#ifndef elf_backend_sym_is_global

#define elf_backend_sym_is_global       0

#endif

#ifndef elf_backend_object_p

#define elf_backend_object_p            0

#endif

#ifndef elf_backend_symbol_processing

#define elf_backend_symbol_processing   0

#endif

#ifndef elf_backend_symbol_table_processing

#define elf_backend_symbol_table_processing     0

#endif

#ifndef elf_backend_get_symbol_type

#define elf_backend_get_symbol_type 0

#endif

#ifndef elf_backend_section_processing

#define elf_backend_section_processing  0

#endif

#ifndef elf_backend_section_from_shdr

#define elf_backend_section_from_shdr   0

#endif

#ifndef elf_backend_section_from_phdr

#define elf_backend_section_from_phdr   0

#endif

#ifndef elf_backend_fake_sections

#define elf_backend_fake_sections       0

#endif

#ifndef elf_backend_section_from_bfd_section

#define elf_backend_section_from_bfd_section    0

#endif

#ifndef elf_backend_add_symbol_hook

#define elf_backend_add_symbol_hook     0

#endif

#ifndef elf_backend_link_output_symbol_hook

#define elf_backend_link_output_symbol_hook 0

#endif

#ifndef elf_backend_create_dynamic_sections

#define elf_backend_create_dynamic_sections 0

#endif

#ifndef elf_backend_check_relocs

#define elf_backend_check_relocs        0

#endif

#ifndef elf_backend_adjust_dynamic_symbol

#define elf_backend_adjust_dynamic_symbol 0

#endif

#ifndef elf_backend_always_size_sections

#define elf_backend_always_size_sections 0

#endif

#ifndef elf_backend_size_dynamic_sections

#define elf_backend_size_dynamic_sections 0

#endif

#ifndef elf_backend_relocate_section

#define elf_backend_relocate_section    0

#endif

#ifndef elf_backend_finish_dynamic_symbol

#define elf_backend_finish_dynamic_symbol       0

#endif

#ifndef elf_backend_finish_dynamic_sections

#define elf_backend_finish_dynamic_sections     0

#endif

#ifndef elf_backend_begin_write_processing

#define elf_backend_begin_write_processing      0

#endif

#ifndef elf_backend_final_write_processing

#define elf_backend_final_write_processing      0

#endif

#ifndef elf_backend_additional_program_headers

#define elf_backend_additional_program_headers  0

#endif

#ifndef elf_backend_modify_segment_map

#define elf_backend_modify_segment_map  0

#endif

#ifndef elf_backend_ecoff_debug_swap

#define elf_backend_ecoff_debug_swap    0

#endif

#ifndef elf_backend_got_header_size

#define elf_backend_got_header_size     0

#endif

#ifndef elf_backend_plt_header_size

#define elf_backend_plt_header_size     0

#endif

#ifndef elf_backend_post_process_headers

#define elf_backend_post_process_headers        NULL

#endif

#ifndef elf_backend_print_symbol_all

#define elf_backend_print_symbol_all            NULL

#endif

#ifndef elf_backend_output_arch_syms

#define elf_backend_output_arch_syms            NULL

#endif

#ifndef elf_backend_copy_indirect_symbol

#define elf_backend_copy_indirect_symbol  _bfd_elf_link_hash_copy_indirect

#endif

#ifndef elf_backend_hide_symbol

#define elf_backend_hide_symbol         _bfd_elf_link_hash_hide_symbol

#endif

/* Previously, backends could only use SHT_REL or SHT_RELA relocation

   sections, but not both.  They defined USE_REL to indicate SHT_REL

   sections, and left it undefined to indicated SHT_RELA sections.

   For backwards compatibility, we still support this usage.  */

#ifndef USE_REL

#define USE_REL 0

#else

#undef USE_REL

#define USE_REL 1

#endif 

/* Use these in new code.  */

#ifndef elf_backend_may_use_rel_p 

#define elf_backend_may_use_rel_p USE_REL

#endif 

#ifndef elf_backend_may_use_rela_p

#define elf_backend_may_use_rela_p !USE_REL

#endif

#ifndef elf_backend_default_use_rela_p 

#define elf_backend_default_use_rela_p !USE_REL

#endif

#ifndef ELF_MACHINE_ALT1

#define ELF_MACHINE_ALT1 0

#endif

#ifndef ELF_MACHINE_ALT2

#define ELF_MACHINE_ALT2 0

#endif

#ifndef elf_backend_size_info

#define elf_backend_size_info _bfd_elfNN_size_info

#endif

#ifndef elf_backend_sign_extend_vma

#define elf_backend_sign_extend_vma 0

#endif

extern const struct elf_size_info _bfd_elfNN_size_info;

static CONST struct elf_backend_data elfNN_bed =

{

  ELF_ARCH,                     /* arch */

  ELF_MACHINE_CODE,             /* elf_machine_code */

  ELF_MAXPAGESIZE,              /* maxpagesize */

  elf_info_to_howto,

  elf_info_to_howto_rel,

  elf_backend_sym_is_global,

  elf_backend_object_p,

  elf_backend_symbol_processing,

  elf_backend_symbol_table_processing,

  elf_backend_get_symbol_type,

  elf_backend_section_processing,

  elf_backend_section_from_shdr,

  elf_backend_section_from_phdr,

  elf_backend_fake_sections,

  elf_backend_section_from_bfd_section,

  elf_backend_add_symbol_hook,

  elf_backend_link_output_symbol_hook,

  elf_backend_create_dynamic_sections,

  elf_backend_check_relocs,

  elf_backend_adjust_dynamic_symbol,

  elf_backend_always_size_sections,

  elf_backend_size_dynamic_sections,

  elf_backend_relocate_section,

  elf_backend_finish_dynamic_symbol,

  elf_backend_finish_dynamic_sections,

  elf_backend_begin_write_processing,

  elf_backend_final_write_processing,

  elf_backend_additional_program_headers,

  elf_backend_modify_segment_map,

  elf_backend_gc_mark_hook,

  elf_backend_gc_sweep_hook,

  elf_backend_post_process_headers,

  elf_backend_print_symbol_all,

  elf_backend_output_arch_syms,

  elf_backend_copy_indirect_symbol,

  elf_backend_hide_symbol,

  elf_backend_ecoff_debug_swap,

  ELF_MACHINE_ALT1,

  ELF_MACHINE_ALT2,

  &elf_backend_size_info,

  elf_backend_got_symbol_offset,

  elf_backend_got_header_size,

  elf_backend_plt_header_size,

  elf_backend_collect,

  elf_backend_type_change_ok,

  elf_backend_may_use_rel_p,

  elf_backend_may_use_rela_p,

  elf_backend_default_use_rela_p,

  elf_backend_sign_extend_vma,

  elf_backend_want_got_plt,

  elf_backend_plt_readonly,

  elf_backend_want_plt_sym,

  elf_backend_plt_not_loaded,

  elf_backend_plt_alignment,

  elf_backend_can_gc_sections,

  elf_backend_want_dynbss

};

/* Forward declaration for use when initialising alternative_target field.  */

#ifdef TARGET_LITTLE_SYM

extern const bfd_target TARGET_LITTLE_SYM;

#endif

#ifdef TARGET_BIG_SYM

const bfd_target TARGET_BIG_SYM =

{

  /* name: identify kind of target */

  TARGET_BIG_NAME,

  /* flavour: general indication about file */

  bfd_target_elf_flavour,

  /* byteorder: data is big endian */

  BFD_ENDIAN_BIG,

  /* header_byteorder: header is also big endian */

  BFD_ENDIAN_BIG,

  /* object_flags: mask of all file flags */

  (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |

   DYNAMIC | WP_TEXT | D_PAGED),

  /* section_flags: mask of all section flags */

  (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |

   SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES),

   /* leading_symbol_char: is the first char of a user symbol

      predictable, and if so what is it */

  elf_symbol_leading_char,

  /* ar_pad_char: pad character for filenames within an archive header

     FIXME:  this really has nothing to do with ELF, this is a characteristic

     of the archiver and/or os and should be independently tunable */

  '/',

  /* ar_max_namelen: maximum number of characters in an archive header

     FIXME:  this really has nothing to do with ELF, this is a characteristic

     of the archiver and should be independently tunable.  This value is

     a WAG (wild a** guess) */

  14,

  /* Routines to byte-swap various sized integers from the data sections */

  bfd_getb64, bfd_getb_signed_64, bfd_putb64,

    bfd_getb32, bfd_getb_signed_32, bfd_putb32,

    bfd_getb16, bfd_getb_signed_16, bfd_putb16,

  /* Routines to byte-swap various sized integers from the file headers */

  bfd_getb64, bfd_getb_signed_64, bfd_putb64,

    bfd_getb32, bfd_getb_signed_32, bfd_putb32,

    bfd_getb16, bfd_getb_signed_16, bfd_putb16,

  /* bfd_check_format: check the format of a file being read */

  { _bfd_dummy_target,          /* unknown format */

    bfd_elfNN_object_p,         /* assembler/linker output (object file) */

    bfd_elfNN_archive_p,        /* an archive */

    bfd_elfNN_core_file_p       /* a core file */

  },

  /* bfd_set_format: set the format of a file being written */

  { bfd_false,

    bfd_elfNN_mkobject,

    bfd_elfNN_mkarchive,

    bfd_elfNN_mkcorefile

  },

  /* bfd_write_contents: write cached information into a file being written */

  { bfd_false,

    bfd_elfNN_write_object_contents,

    bfd_elfNN_write_archive_contents,

    bfd_elfNN_write_corefile_contents,

  },

      BFD_JUMP_TABLE_GENERIC (bfd_elfNN),

      BFD_JUMP_TABLE_COPY (bfd_elfNN),

      BFD_JUMP_TABLE_CORE (bfd_elfNN),

#ifdef bfd_elfNN_archive_functions

      BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),

#else

      BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),

#endif

      BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),

      BFD_JUMP_TABLE_RELOCS (bfd_elfNN),

      BFD_JUMP_TABLE_WRITE (bfd_elfNN),

      BFD_JUMP_TABLE_LINK (bfd_elfNN),

      BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),

  /* Alternative endian target.  */

#ifdef TARGET_LITTLE_SYM

  & TARGET_LITTLE_SYM,

#else

  NULL,

#endif

  /* backend_data: */

  (PTR) &elfNN_bed

};

#endif

#ifdef TARGET_LITTLE_SYM

const bfd_target TARGET_LITTLE_SYM =

{

  /* name: identify kind of target */

  TARGET_LITTLE_NAME,

  /* flavour: general indication about file */

  bfd_target_elf_flavour,

  /* byteorder: data is little endian */

  BFD_ENDIAN_LITTLE,

  /* header_byteorder: header is also little endian */

  BFD_ENDIAN_LITTLE,

  /* object_flags: mask of all file flags */

  (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |

   DYNAMIC | WP_TEXT | D_PAGED),

  /* section_flags: mask of all section flags */

  (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |

   SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES),

   /* leading_symbol_char: is the first char of a user symbol

      predictable, and if so what is it */

  elf_symbol_leading_char,

  /* ar_pad_char: pad character for filenames within an archive header

     FIXME:  this really has nothing to do with ELF, this is a characteristic

     of the archiver and/or os and should be independently tunable */

  '/',

  /* ar_max_namelen: maximum number of characters in an archive header

     FIXME:  this really has nothing to do with ELF, this is a characteristic

     of the archiver and should be independently tunable.  This value is

     a WAG (wild a** guess) */

  14,

  /* Routines to byte-swap various sized integers from the data sections */

  bfd_getl64, bfd_getl_signed_64, bfd_putl64,

    bfd_getl32, bfd_getl_signed_32, bfd_putl32,

    bfd_getl16, bfd_getl_signed_16, bfd_putl16,

  /* Routines to byte-swap various sized integers from the file headers */

  bfd_getl64, bfd_getl_signed_64, bfd_putl64,

    bfd_getl32, bfd_getl_signed_32, bfd_putl32,

    bfd_getl16, bfd_getl_signed_16, bfd_putl16,

  /* bfd_check_format: check the format of a file being read */

  { _bfd_dummy_target,          /* unknown format */

    bfd_elfNN_object_p,         /* assembler/linker output (object file) */

    bfd_elfNN_archive_p,        /* an archive */

    bfd_elfNN_core_file_p       /* a core file */

  },

  /* bfd_set_format: set the format of a file being written */

  { bfd_false,

    bfd_elfNN_mkobject,

    bfd_elfNN_mkarchive,

    bfd_elfNN_mkcorefile

  },

  /* bfd_write_contents: write cached information into a file being written */

  { bfd_false,

    bfd_elfNN_write_object_contents,

    bfd_elfNN_write_archive_contents,

    bfd_elfNN_write_corefile_contents,

  },

      BFD_JUMP_TABLE_GENERIC (bfd_elfNN),

      BFD_JUMP_TABLE_COPY (bfd_elfNN),

      BFD_JUMP_TABLE_CORE (bfd_elfNN),

#ifdef bfd_elfNN_archive_functions

      BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),

#else

      BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),

#endif

      BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),

      BFD_JUMP_TABLE_RELOCS (bfd_elfNN),

      BFD_JUMP_TABLE_WRITE (bfd_elfNN),

      BFD_JUMP_TABLE_LINK (bfd_elfNN),

      BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),

  /* Alternative endian target.  */

#ifdef TARGET_BIG_SYM

  & TARGET_BIG_SYM,

#else

  NULL,

#endif

  /* backend_data: */

  (PTR) &elfNN_bed

};

#endif