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 #define nlm_core_file_p \
  21   ((bfd_target *(*) PARAMS ((bfd *))) bfd_nullvoidptr)
  22
  23 /* The JUMP_TABLE macro is used in the target structure to get names
  24    for all the functions.  We use JUMP_TABLE(nlm) to get a prefix of
  25    nlm for all the functions.  Here we redefine those names.  Many of
  26    the functions are the same for any NLM target.  The others are
  27    defined in terms of the nlmNAME macro.  */
  28
  29 #define nlm_core_file_failing_command \
  30                                 _bfd_dummy_core_file_failing_command
  31 #define nlm_core_file_failing_signal \
  32                                 _bfd_dummy_core_file_failing_signal
  33 #define nlm_core_file_matches_executable_p \
  34                                 _bfd_dummy_core_file_matches_executable_p
  35 #define nlm_slurp_armap         bfd_slurp_coff_armap
  36 #define nlm_slurp_extended_name_table \
  37                                 _bfd_slurp_extended_name_table
  38 #define nlm_truncate_arname     bfd_dont_truncate_arname
  39 #define nlm_write_armap         coff_write_armap
  40 #define nlm_close_and_cleanup   bfd_generic_close_and_cleanup
  41 #define nlm_set_section_contents \
  42                                 nlmNAME(set_section_contents)
  43 #define nlm_get_section_contents \
  44                                 bfd_generic_get_section_contents
  45 #define nlm_new_section_hook    _bfd_dummy_new_section_hook
  46 #define nlm_get_symtab_upper_bound \
  47                                 nlmNAME(get_symtab_upper_bound)
  48 #define nlm_get_symtab          nlmNAME(get_symtab)
  49 #define nlm_get_reloc_upper_bound \
  50                                 nlmNAME(get_reloc_upper_bound)
  51 #define nlm_canonicalize_reloc  nlmNAME(canonicalize_reloc)
  52 #define nlm_make_empty_symbol   nlmNAME(make_empty_symbol)
  53 #define nlm_print_symbol        nlmNAME(print_symbol)
  54 #define nlm_get_symbol_info     nlmNAME(get_symbol_info)
  55 #define nlm_get_lineno          ((alent * (*) PARAMS ((bfd *, asymbol *))) \
  56                                  bfd_false)
  57 /* We use the generic function nlm_set_arch_mach.  */
  58 #define nlm_openr_next_archived_file \
  59                                 bfd_generic_openr_next_archived_file
  60 #define nlm_find_nearest_line \
  61                                 ((boolean (*) PARAMS ((bfd *, asection *, \
  62                                                        asymbol **, bfd_vma, \
  63                                                        CONST char **, \
  64                                                        CONST char **, \
  65                                                        unsigned int *))) \
  66                                  bfd_false)
  67 #define nlm_generic_stat_arch_elt \
  68                                 bfd_generic_stat_arch_elt
  69 #define nlm_sizeof_headers      ((int (*) PARAMS ((bfd *, boolean))) bfd_0u)
  70 #define nlm_bfd_debug_info_start \
  71                                 bfd_void
  72 #define nlm_bfd_debug_info_end  bfd_void
  73 #define nlm_bfd_debug_info_accumulate \
  74                                 ((void (*) PARAMS ((bfd*, struct sec *))) \
  75                                  bfd_void)
  76 #define nlm_bfd_get_relocated_section_contents \
  77                                 bfd_generic_get_relocated_section_contents
  78 #define nlm_bfd_relax_section   bfd_generic_relax_section
  79 #define nlm_bfd_reloc_type_lookup \
  80                                 bfd_default_reloc_type_lookup
  81 #define nlm_bfd_make_debug_symbol \
  82                                 ((asymbol *(*) PARAMS ((bfd *, void *, \
  83                                                         unsigned long))) \
  84                                  bfd_nullvoidptr)
  85 #define nlm_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
  86 #define nlm_bfd_link_add_symbols _bfd_generic_link_add_symbols
  87 #define nlm_bfd_final_link _bfd_generic_final_link
  88
  89 #define nlm_bfd_copy_private_section_data \
  90   ((boolean (*) PARAMS ((bfd *, asection *, bfd *, asection *))) bfd_true)
  91 #define nlm_bfd_copy_private_bfd_data \
  92   ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
  93 #define nlm_bfd_is_local_label bfd_generic_is_local_label
  94 #define nlm_bfd_free_cached_info bfd_true
  95
  96 /* This structure contains everything that BFD knows about a target.
  97    It includes things like its byte order, name, what routines to call
  98    to do various operations, etc.  Every BFD points to a target structure
  99    with its "xvec" member.
 100
 101    There are two such structures here:  one for big-endian machines and
 102    one for little-endian machines.   */
 103
 104
 105 #ifdef TARGET_BIG_SYM
 106 bfd_target TARGET_BIG_SYM =
 107 {
 108   /* name: identify kind of target */
 109   TARGET_BIG_NAME,
 110
 111   /* flavour: general indication about file */
 112   bfd_target_nlm_flavour,
 113
 114   /* byteorder_big_p: data is big endian */
 115   true,
 116
 117   /* header_byteorder_big_p: header is also big endian */
 118   true,
 119
 120   /* object_flags: mask of all file flags */
 121   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 122    | WP_TEXT),
 123
 124   /* section_flags: mask of all section flags */
 125   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
 126    SEC_CODE | SEC_DATA),
 127
 128    /* leading_symbol_char: is the first char of a user symbol
 129       predictable, and if so what is it */
 130    0,
 131
 132   /* ar_pad_char: pad character for filenames within an archive header
 133      FIXME:  this really has nothing to do with NLM, this is a characteristic
 134      of the archiver and/or os and should be independently tunable */
 135   '/',
 136
 137   /* ar_max_namelen: maximum number of characters in an archive header
 138      FIXME:  this really has nothing to do with NLM, this is a characteristic
 139      of the archiver and should be independently tunable.  This value is
 140      a WAG (wild a** guess) */
 141   15,
 142
 143   /* align_power_min: minimum alignment restriction for any section
 144      FIXME:  this value may be target machine dependent */
 145   3,
 146
 147   /* Routines to byte-swap various sized integers from the data sections */
 148   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 149     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 150     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 151
 152   /* Routines to byte-swap various sized integers from the file headers */
 153   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 154     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 155     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 156
 157   /* bfd_check_format: check the format of a file being read */
 158   { _bfd_dummy_target,          /* unknown format */
 159     nlmNAME(object_p),          /* assembler/linker output (object file) */
 160     bfd_generic_archive_p,      /* an archive */
 161     nlm_core_file_p             /* a core file */
 162   },
 163
 164   /* bfd_set_format: set the format of a file being written */
 165   { bfd_false,
 166     nlm_mkobject,
 167     _bfd_generic_mkarchive,
 168     bfd_false
 169   },
 170
 171   /* bfd_write_contents: write cached information into a file being written */
 172   { bfd_false,
 173     nlmNAME(write_object_contents),
 174     _bfd_write_archive_contents,
 175     bfd_false
 176   },
 177
 178   /* Initialize a jump table with the standard macro.  All names start with
 179      "nlm" */
 180   JUMP_TABLE(nlm),
 181
 182   /* backend_data: */
 183   (PTR) TARGET_BACKEND_DATA
 184 };
 185 #endif
 186
 187 #ifdef TARGET_LITTLE_SYM
 188 bfd_target TARGET_LITTLE_SYM =
 189 {
 190   /* name: identify kind of target */
 191   TARGET_LITTLE_NAME,
 192
 193   /* flavour: general indication about file */
 194   bfd_target_nlm_flavour,
 195
 196   /* byteorder_big_p: data is big endian */
 197   false,                /* Nope -- this one's little endian */
 198
 199   /* header_byteorder_big_p: header is also big endian */
 200   false,                /* Nope -- this one's little endian */
 201
 202   /* object_flags: mask of all file flags */
 203   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 204    | WP_TEXT),
 205
 206   /* section_flags: mask of all section flags */
 207   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
 208    SEC_DATA),
 209
 210    /* leading_symbol_char: is the first char of a user symbol
 211       predictable, and if so what is it */
 212    0,
 213
 214   /* ar_pad_char: pad character for filenames within an archive header
 215      FIXME:  this really has nothing to do with NLM, this is a characteristic
 216      of the archiver and/or os and should be independently tunable */
 217   '/',
 218
 219   /* ar_max_namelen: maximum number of characters in an archive header
 220      FIXME:  this really has nothing to do with NLM, this is a characteristic
 221      of the archiver and should be independently tunable.  This value is
 222      a WAG (wild a** guess) */
 223   15,
 224
 225   /* align_power_min: minimum alignment restriction for any section
 226      FIXME:  this value may be target machine dependent */
 227   3,
 228
 229   /* Routines to byte-swap various sized integers from the data sections */
 230   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 231     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 232     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
 233
 234   /* Routines to byte-swap various sized integers from the file headers */
 235   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 236     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 237     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
 238
 239   /* bfd_check_format: check the format of a file being read */
 240   { _bfd_dummy_target,          /* unknown format */
 241     nlmNAME(object_p),          /* assembler/linker output (object file) */
 242     bfd_generic_archive_p,      /* an archive */
 243     nlm_core_file_p             /* a core file */
 244   },
 245
 246   /* bfd_set_format: set the format of a file being written */
 247   { bfd_false,
 248     nlm_mkobject,
 249     _bfd_generic_mkarchive,
 250     bfd_false
 251   },
 252
 253   /* bfd_write_contents: write cached information into a file being written */
 254   { bfd_false,
 255     nlmNAME(write_object_contents),
 256     _bfd_write_archive_contents,
 257     bfd_false
 258   },
 259
 260   /* Initialize a jump table with the standard macro.  All names start with
 261      "nlm" */
 262   JUMP_TABLE(nlm),
 263
 264   /* backend_data: */
 265   (PTR) TARGET_BACKEND_DATA
 266 };
 267 #endif