bfd/i386mach3.c

   1 /* BFD back-end for i386 a.out binaries.
   2    Copyright 1990, 1991, 1993, 1994, 1995, 1997
   3    Free Software Foundation, Inc.
   4
   5 This file is part of BFD, the Binary File Descriptor library.
   6
   7 This program 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 2 of the License, or
  10 (at your option) any later version.
  11
  12 This program 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 this program; if not, write to the Free Software
  19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  20
  21 /* This is for Mach 3, which uses a.out, not Mach-O.  */
  22
  23 /* There is no magic number or anything which lets us distinguish this target
  24    from i386aout or i386bsd.  So this target is only useful if it is the
  25    default target.  */
  26
  27 #define TARGET_PAGE_SIZE        1
  28 #define SEGMENT_SIZE    0x1000
  29 #define TEXT_START_ADDR 0x10000
  30 #define ARCH 32
  31 #define BYTES_IN_WORD 4
  32 /* This macro is only relevant when N_MAGIC(x) == ZMAGIC.  */
  33 #define N_HEADER_IN_TEXT(x)     1
  34
  35 #define N_TXTSIZE(x)    ((x).a_text)
  36
  37 #include "bfd.h"
  38 #include "sysdep.h"
  39 #include "libbfd.h"
  40 #include "aout/aout64.h"
  41 #include "aout/stab_gnu.h"
  42 #include "aout/ar.h"
  43 #include "libaout.h"           /* BFD a.out internal data structures */
  44
  45 #define DEFAULT_ARCH bfd_arch_i386
  46 #define MY(OP) CAT(i386mach3_,OP)
  47 #define TARGETNAME "a.out-mach3"
  48
  49 static boolean MY(set_sizes)();
  50 #define MY_backend_data &MY(backend_data)
  51 static CONST struct aout_backend_data MY(backend_data) = {
  52   0,                            /* zmagic contiguous */
  53   1,                            /* text incl header */
  54   0,                            /* entry is text address */
  55   0,                            /* exec_hdr_flags */
  56   0,                            /* text vma? */
  57   MY(set_sizes),
  58   1,                            /* exec header not counted */
  59   0,                            /* add_dynamic_symbols */
  60   0,                            /* add_one_symbol */
  61   0,                            /* link_dynamic_object */
  62   0,                            /* write_dynamic_symbol */
  63   0,                            /* check_dynamic_reloc */
  64   0                             /* finish_dynamic_link */
  65 };
  66
  67 #include "aout-target.h"