bfd/nlm-target.h

   1 /* Target definitions for 32/64-bit NLM (NetWare Loadable Module)
   2    Copyright (C) 1993, 94, 95, 1997 Free Software Foundation, Inc.
   3
   4 This file is part of BFD, the Binary File Descriptor library.
   5
   6 This program is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2 of the License, or
   9 (at your option) any later version.
  10
  11 This program is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with this program; if not, write to the Free Software
  18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  19
  20 #define nlm_core_file_p _bfd_dummy_target
  21
  22 #define nlm_get_symtab_upper_bound nlmNAME(get_symtab_upper_bound)
  23 #define nlm_get_symtab nlmNAME(get_symtab)
  24 #define nlm_make_empty_symbol nlmNAME(make_empty_symbol)
  25 #define nlm_print_symbol nlmNAME(print_symbol)
  26 #define nlm_get_symbol_info nlmNAME(get_symbol_info)
  27 #define nlm_bfd_is_local_label_name bfd_generic_is_local_label_name
  28 #define nlm_get_lineno _bfd_nosymbols_get_lineno
  29 #define nlm_find_nearest_line _bfd_nosymbols_find_nearest_line
  30 #define nlm_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
  31 #define nlm_read_minisymbols _bfd_generic_read_minisymbols
  32 #define nlm_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
  33
  34 #define nlm_get_reloc_upper_bound nlmNAME(get_reloc_upper_bound)
  35 #define nlm_canonicalize_reloc nlmNAME(canonicalize_reloc)
  36 #define nlm_bfd_reloc_type_lookup bfd_default_reloc_type_lookup
  37
  38 #define nlm_set_section_contents nlmNAME(set_section_contents)
  39
  40 #define nlm_sizeof_headers _bfd_nolink_sizeof_headers
  41 #define nlm_bfd_get_relocated_section_contents \
  42   bfd_generic_get_relocated_section_contents
  43 #define nlm_bfd_relax_section bfd_generic_relax_section
  44 #define nlm_bfd_gc_sections bfd_generic_gc_sections
  45 #define nlm_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
  46 #define nlm_bfd_link_add_symbols _bfd_generic_link_add_symbols
  47 #define nlm_bfd_final_link _bfd_generic_final_link
  48 #define nlm_bfd_link_split_section _bfd_generic_link_split_section
  49
  50 /* This structure contains everything that BFD knows about a target.
  51    It includes things like its byte order, name, what routines to call
  52    to do various operations, etc.  Every BFD points to a target structure
  53    with its "xvec" member.
  54
  55    There are two such structures here:  one for big-endian machines and
  56    one for little-endian machines.   */
  57
  58 /* Forward declaration for use when initialising alternative_target field.  */
  59 #ifdef TARGET_LITTLE_SYM
  60 extern const bfd_target TARGET_LITTLE_SYM;
  61 #endif
  62
  63 #ifdef TARGET_BIG_SYM
  64 const bfd_target TARGET_BIG_SYM =
  65 {
  66   /* name: identify kind of target */
  67   TARGET_BIG_NAME,
  68
  69   /* flavour: general indication about file */
  70   bfd_target_nlm_flavour,
  71
  72   /* byteorder: data is big endian */
  73   BFD_ENDIAN_BIG,
  74
  75   /* header_byteorder: header is also big endian */
  76   BFD_ENDIAN_BIG,
  77
  78   /* object_flags: mask of all file flags */
  79   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
  80    | WP_TEXT),
  81
  82   /* section_flags: mask of all section flags */
  83   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
  84    SEC_CODE | SEC_DATA),
  85
  86    /* leading_symbol_char: is the first char of a user symbol
  87       predictable, and if so what is it */
  88    0,
  89
  90   /* ar_pad_char: pad character for filenames within an archive header
  91      FIXME:  this really has nothing to do with NLM, this is a characteristic
  92      of the archiver and/or os and should be independently tunable */
  93   '/',
  94
  95   /* ar_max_namelen: maximum number of characters in an archive header
  96      FIXME:  this really has nothing to do with NLM, this is a characteristic
  97      of the archiver and should be independently tunable.  This value is
  98      a WAG (wild a** guess) */
  99   15,
 100
 101   /* Routines to byte-swap various sized integers from the data sections */
 102   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 103     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 104     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 105
 106   /* Routines to byte-swap various sized integers from the file headers */
 107   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 108     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 109     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 110
 111   /* bfd_check_format: check the format of a file being read */
 112   { _bfd_dummy_target,          /* unknown format */
 113     nlmNAME(object_p),          /* assembler/linker output (object file) */
 114     bfd_generic_archive_p,      /* an archive */
 115     nlm_core_file_p             /* a core file */
 116   },
 117
 118   /* bfd_set_format: set the format of a file being written */
 119   { bfd_false,
 120     nlm_mkobject,
 121     _bfd_generic_mkarchive,
 122     bfd_false
 123   },
 124
 125   /* bfd_write_contents: write cached information into a file being written */
 126   { bfd_false,
 127     nlmNAME(write_object_contents),
 128     _bfd_write_archive_contents,
 129     bfd_false
 130   },
 131
 132   /* Initialize a jump table with the standard macro.  All names start with
 133      "nlm" */
 134   BFD_JUMP_TABLE_GENERIC (_bfd_generic),
 135   BFD_JUMP_TABLE_COPY (_bfd_generic),
 136   BFD_JUMP_TABLE_CORE (_bfd_nocore),
 137   BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
 138   BFD_JUMP_TABLE_SYMBOLS (nlm),
 139   BFD_JUMP_TABLE_RELOCS (nlm),
 140   BFD_JUMP_TABLE_WRITE (nlm),
 141   BFD_JUMP_TABLE_LINK (nlm),
 142   BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
 143
 144   /* Alternative endian target.  */
 145 #ifdef TARGET_LITTLE_SYM
 146   & TARGET_LITTLE_SYM,
 147 #else
 148   NULL,
 149 #endif
 150
 151   /* backend_data: */
 152   (PTR) TARGET_BACKEND_DATA
 153 };
 154 #endif
 155
 156 #ifdef TARGET_LITTLE_SYM
 157 const bfd_target TARGET_LITTLE_SYM =
 158 {
 159   /* name: identify kind of target */
 160   TARGET_LITTLE_NAME,
 161
 162   /* flavour: general indication about file */
 163   bfd_target_nlm_flavour,
 164
 165   /* byteorder: data is little endian */
 166   BFD_ENDIAN_LITTLE,
 167
 168   /* header_byteorder: header is also little endian */
 169   BFD_ENDIAN_LITTLE,
 170
 171   /* object_flags: mask of all file flags */
 172   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 173    | WP_TEXT),
 174
 175   /* section_flags: mask of all section flags */
 176   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
 177    SEC_DATA),
 178
 179    /* leading_symbol_char: is the first char of a user symbol
 180       predictable, and if so what is it */
 181    0,
 182
 183   /* ar_pad_char: pad character for filenames within an archive header
 184      FIXME:  this really has nothing to do with NLM, this is a characteristic
 185      of the archiver and/or os and should be independently tunable */
 186   '/',
 187
 188   /* ar_max_namelen: maximum number of characters in an archive header
 189      FIXME:  this really has nothing to do with NLM, this is a characteristic
 190      of the archiver and should be independently tunable.  This value is
 191      a WAG (wild a** guess) */
 192   15,
 193
 194   /* Routines to byte-swap various sized integers from the data sections */
 195   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 196     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 197     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
 198
 199   /* Routines to byte-swap various sized integers from the file headers */
 200   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 201     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 202     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
 203
 204   /* bfd_check_format: check the format of a file being read */
 205   { _bfd_dummy_target,          /* unknown format */
 206     nlmNAME(object_p),          /* assembler/linker output (object file) */
 207     bfd_generic_archive_p,      /* an archive */
 208     nlm_core_file_p             /* a core file */
 209   },
 210
 211   /* bfd_set_format: set the format of a file being written */
 212   { bfd_false,
 213     nlm_mkobject,
 214     _bfd_generic_mkarchive,
 215     bfd_false
 216   },
 217
 218   /* bfd_write_contents: write cached information into a file being written */
 219   { bfd_false,
 220     nlmNAME(write_object_contents),
 221     _bfd_write_archive_contents,
 222     bfd_false
 223   },
 224
 225   /* Initialize a jump table with the standard macro.  All names start with
 226      "nlm" */
 227   BFD_JUMP_TABLE_GENERIC (_bfd_generic),
 228   BFD_JUMP_TABLE_COPY (_bfd_generic),
 229   BFD_JUMP_TABLE_CORE (_bfd_nocore),
 230   BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
 231   BFD_JUMP_TABLE_SYMBOLS (nlm),
 232   BFD_JUMP_TABLE_RELOCS (nlm),
 233   BFD_JUMP_TABLE_WRITE (nlm),
 234   BFD_JUMP_TABLE_LINK (nlm),
 235   BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
 236
 237   /* Alternative endian target.  */
 238 #ifdef TARGET_BIG_SYM
 239   & TARGET_BIG_SYM,
 240 #else
 241   NULL,
 242 #endif
 243
 244   /* backend_data: */
 245   (PTR) TARGET_BACKEND_DATA
 246 };
 247 #endif