bfd/newsos3.c

   1 /*** bfd backend for NewsOS3 (Sony, 68k) binaries */
   2
   3 /* Copyright (C) 1990, 1991 Free Software Foundation, Inc.
   4
   5 This file is part of BFD, the Binary File Diddler.
   6
   7 BFD is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 1, or (at your option)
  10 any later version.
  11
  12 BFD is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with BFD; see the file COPYING.  If not, write to
  19 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  20
  21 #define TARGET_BYTE_ORDER_BIG_P 1
  22
  23 #define PAGE_SIZE       4096
  24 #define SEGMENT_SIZE    PAGE_SIZE
  25 #define TEXT_START_ADDR 0
  26 #define ARCH 32
  27 #define BYTES_IN_WORD 4
  28
  29 #include <ansidecl.h>
  30 #include <sysdep.h>
  31 #include "bfd.h"
  32 #include "libbfd.h"
  33 #include "aout64.h"
  34 #include "stab.gnu.h"
  35 #include "ar.h"
  36 #include "liba.out.h"           /* BFD a.out internal data structures */
  37
  38 int vfprintf(file, format, args) /* Temporary crock! */
  39      FILE *file; char *format; char *args;
  40 {
  41     return _doprnt (format, args, file);
  42 }
  43
  44
  45
  46 bfd_target *newsos3_callback ();
  47
  48 bfd_target *
  49 DEFUN(newsos3_object_p,(abfd),
  50      bfd *abfd)
  51 {
  52   unsigned char magicbuf[LONG_SIZE]; /* Raw bytes of magic number from file */
  53   unsigned long magic;          /* Swapped magic number */
  54
  55   bfd_error = system_call_error;
  56
  57   if (bfd_read ((PTR)magicbuf, 1, sizeof (magicbuf), abfd) !=
  58       sizeof (magicbuf))
  59     return 0;
  60   magic = bfd_h_get_32 (abfd, magicbuf);
  61
  62   if (N_BADMAG (*((struct internal_exec *) &magic))) return 0;
  63
  64   return aout_32_some_aout_object_p (abfd, newsos3_callback);
  65 }
  66
  67 /* Finish up the reading of a NEWS-OS a.out file header */
  68 bfd_target *
  69 DEFUN(newsos3_callback,(abfd),
  70       bfd *abfd)
  71 {
  72   struct internal_exec *execp = exec_hdr (abfd);
  73
  74   WORK_OUT_FILE_POSITIONS(abfd, execp) ;
  75
  76   /* Determine the architecture and machine type of the object file.  */
  77   abfd->obj_arch = bfd_arch_m68k;
  78   abfd->obj_machine = 0;
  79
  80   return abfd->xvec;
  81 }
  82
  83 /* Write an object file in NEWS-OS format.
  84    Section contents have already been written.  We write the
  85    file header, symbols, and relocation.  */
  86
  87 boolean
  88 DEFUN(newsos3_write_object_contents,(abfd),
  89       bfd *abfd)
  90 {
  91   bfd_size_type data_pad = 0;
  92   struct external_exec exec_bytes;
  93   struct internal_exec *execp = exec_hdr (abfd);
  94
  95   WRITE_HEADERS(abfd, execp);
  96   return true;
  97 }
  98 \f
  99 /* Transfer vectors for NEWS-OS version 3 */
 100
 101 /* We use BFD generic archive files.  */
 102 #define aout_32_openr_next_archived_file        bfd_generic_openr_next_archived_file
 103 #define aout_32_generic_stat_arch_elt   bfd_generic_stat_arch_elt
 104 #define aout_32_slurp_armap             bfd_slurp_bsd_armap
 105 #define aout_32_slurp_extended_name_table       bfd_true
 106 #define aout_32_write_armap             bsd_write_armap
 107 #define aout_32_truncate_arname         bfd_bsd_truncate_arname
 108
 109 /* We don't support core files yet.  FIXME.  */
 110 #define aout_32_core_file_failing_command       _bfd_dummy_core_file_failing_command
 111 #define aout_32_core_file_failing_signal        _bfd_dummy_core_file_failing_signal
 112 #define aout_32_core_file_matches_executable_p  \
 113                                 _bfd_dummy_core_file_matches_executable_p
 114 #define aout_32_core_file_p             _bfd_dummy_target
 115
 116 /* We define our own versions of these routines.  */
 117
 118
 119 bfd_target newsos3_vec = /* Sony 68k-based machines running newos3 */
 120 {
 121   "a.out-newos3",               /* name */
 122   bfd_target_aout_flavour_enum,
 123   true,                         /* target byte order */
 124   true,                         /* target headers byte order */
 125   (HAS_RELOC | EXEC_P |         /* object flags */
 126    HAS_LINENO | HAS_DEBUG |
 127    HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
 128   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
 129   ' ',                          /* ar_pad_char */
 130   16,                           /* ar_max_namelen */
 131
 132   _do_getb64, _do_putb64,       _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* data */
 133   _do_getb64, _do_putb64,       _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* hdrs */
 134
 135     {_bfd_dummy_target, newsos3_object_p, /* bfd_check_format */
 136        bfd_generic_archive_p, aout_32_core_file_p},
 137     {bfd_false, aout_32_mkobject,       /* bfd_set_format */
 138        _bfd_generic_mkarchive, bfd_false},
 139     {bfd_false, newsos3_write_object_contents, /* bfd_write_contents */
 140        _bfd_write_archive_contents, bfd_false},
 141
 142   JUMP_TABLE(aout_32)
 143   };