bfd/nlm-target.h

   1 /* Target definitions for 32/64-bit NLM (NetWare Loadable Module)
   2    Copyright (C) 1993 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., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  19
  20 /* This structure contains everything that BFD knows about a target.
  21    It includes things like its byte order, name, what routines to call
  22    to do various operations, etc.  Every BFD points to a target structure
  23    with its "xvec" member.
  24
  25    There are two such structures here:  one for big-endian machines and
  26    one for little-endian machines.   */
  27
  28
  29 #ifdef TARGET_BIG_SYM
  30 bfd_target TARGET_BIG_SYM =
  31 {
  32   /* name: identify kind of target */
  33   TARGET_BIG_NAME,
  34
  35   /* flavour: general indication about file */
  36   bfd_target_nlm_flavour,
  37
  38   /* byteorder_big_p: data is big endian */
  39   true,
  40
  41   /* header_byteorder_big_p: header is also big endian */
  42   true,
  43
  44   /* object_flags: mask of all file flags */
  45   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
  46    DYNAMIC | WP_TEXT),
  47
  48   /* section_flags: mask of all section flags */
  49   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
  50    SEC_CODE | SEC_DATA),
  51
  52    /* leading_symbol_char: is the first char of a user symbol
  53       predictable, and if so what is it */
  54    0,
  55
  56   /* ar_pad_char: pad character for filenames within an archive header
  57      FIXME:  this really has nothing to do with NLM, this is a characteristic
  58      of the archiver and/or os and should be independently tunable */
  59   '/',
  60
  61   /* ar_max_namelen: maximum number of characters in an archive header
  62      FIXME:  this really has nothing to do with NLM, this is a characteristic
  63      of the archiver and should be independently tunable.  This value is
  64      a WAG (wild a** guess) */
  65   15,
  66
  67   /* align_power_min: minimum alignment restriction for any section
  68      FIXME:  this value may be target machine dependent */
  69   3,
  70
  71   /* Routines to byte-swap various sized integers from the data sections */
  72   _do_getb64, _do_getb_signed_64, _do_putb64,
  73     _do_getb32, _do_getb_signed_32, _do_putb32,
  74     _do_getb16, _do_getb_signed_16, _do_putb16,
  75
  76   /* Routines to byte-swap various sized integers from the file headers */
  77   _do_getb64, _do_getb_signed_64, _do_putb64,
  78     _do_getb32, _do_getb_signed_32, _do_putb32,
  79     _do_getb16, _do_getb_signed_16, _do_putb16,
  80
  81   /* bfd_check_format: check the format of a file being read */
  82   { _bfd_dummy_target,          /* unknown format */
  83     nlmNAME(object_p),          /* assembler/linker output (object file) */
  84     bfd_generic_archive_p,      /* an archive */
  85     nlmNAME(core_file_p)        /* a core file */
  86   },
  87
  88   /* bfd_set_format: set the format of a file being written */
  89   { bfd_false,
  90     nlm_mkobject,
  91     _bfd_generic_mkarchive,
  92     bfd_false
  93   },
  94
  95   /* bfd_write_contents: write cached information into a file being written */
  96   { bfd_false,
  97     nlmNAME(write_object_contents),
  98     _bfd_write_archive_contents,
  99     bfd_false
 100   },
 101
 102   /* Initialize a jump table with the standard macro.  All names start with
 103      "nlm" */
 104   JUMP_TABLE(JUMP_TABLE_PREFIX),
 105
 106   /* backend_data: */
 107   (PTR) NULL,
 108 };
 109 #endif
 110
 111 #ifdef TARGET_LITTLE_SYM
 112 bfd_target TARGET_LITTLE_SYM =
 113 {
 114   /* name: identify kind of target */
 115   TARGET_LITTLE_NAME,
 116
 117   /* flavour: general indication about file */
 118   bfd_target_nlm_flavour,
 119
 120   /* byteorder_big_p: data is big endian */
 121   false,                /* Nope -- this one's little endian */
 122
 123   /* header_byteorder_big_p: header is also big endian */
 124   false,                /* Nope -- this one's little endian */
 125
 126   /* object_flags: mask of all file flags */
 127   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
 128    DYNAMIC | WP_TEXT),
 129
 130   /* section_flags: mask of all section flags */
 131   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
 132    SEC_DATA),
 133
 134    /* leading_symbol_char: is the first char of a user symbol
 135       predictable, and if so what is it */
 136    0,
 137
 138   /* ar_pad_char: pad character for filenames within an archive header
 139      FIXME:  this really has nothing to do with NLM, this is a characteristic
 140      of the archiver and/or os and should be independently tunable */
 141   '/',
 142
 143   /* ar_max_namelen: maximum number of characters in an archive header
 144      FIXME:  this really has nothing to do with NLM, this is a characteristic
 145      of the archiver and should be independently tunable.  This value is
 146      a WAG (wild a** guess) */
 147   15,
 148
 149   /* align_power_min: minimum alignment restriction for any section
 150      FIXME:  this value may be target machine dependent */
 151   3,
 152
 153   /* Routines to byte-swap various sized integers from the data sections */
 154   _do_getl64, _do_getl_signed_64, _do_putl64,
 155     _do_getl32, _do_getl_signed_32, _do_putl32,
 156     _do_getl16, _do_getl_signed_16, _do_putl16,
 157
 158   /* Routines to byte-swap various sized integers from the file headers */
 159   _do_getl64, _do_getl_signed_64, _do_putl64,
 160     _do_getl32, _do_getl_signed_32, _do_putl32,
 161     _do_getl16, _do_getl_signed_16, _do_putl16,
 162
 163   /* bfd_check_format: check the format of a file being read */
 164   { _bfd_dummy_target,          /* unknown format */
 165     nlmNAME(object_p),          /* assembler/linker output (object file) */
 166     bfd_generic_archive_p,      /* an archive */
 167     nlmNAME(core_file_p)        /* a core file */
 168   },
 169
 170   /* bfd_set_format: set the format of a file being written */
 171   { bfd_false,
 172     nlm_mkobject,
 173     _bfd_generic_mkarchive,
 174     bfd_false
 175   },
 176
 177   /* bfd_write_contents: write cached information into a file being written */
 178   { bfd_false,
 179     nlmNAME(write_object_contents),
 180     _bfd_write_archive_contents,
 181     bfd_false
 182   },
 183
 184   /* Initialize a jump table with the standard macro.  All names start with
 185      "nlm" */
 186   JUMP_TABLE(JUMP_TABLE_PREFIX),
 187
 188   /* backend_data: */
 189   (PTR) NULL,
 190 };
 191 #endif