bfd/i386mach3.c

   1 /* BFD back-end for i386 a.out binaries.
   2    Copyright (C) 1990, 1991 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 is for Mach 3, which uses a.out, not Mach-O.  */
  21
  22 /* There is no magic number or anything which lets us distinguish this target
  23    from i386aout or i386bsd.  So this target is only useful if it is the
  24    default target.  */
  25
  26 #define PAGE_SIZE       1
  27 #define SEGMENT_SIZE    0
  28 #define TEXT_START_ADDR 0x10000
  29 #define ARCH 32
  30 #define BYTES_IN_WORD 4
  31 /* This macro is only relevant when N_MAGIC(x) == ZMAGIC.  */
  32 #define N_HEADER_IN_TEXT(x)     1
  33
  34 #define N_TXTSIZE(x)    ((x).a_text)
  35
  36 #include "bfd.h"
  37 #include "sysdep.h"
  38 #include "libbfd.h"
  39 #include "aout/aout64.h"
  40 #include "aout/stab_gnu.h"
  41 #include "aout/ar.h"
  42 #include "libaout.h"           /* BFD a.out internal data structures */
  43
  44 #define DEFAULT_ARCH bfd_arch_i386
  45 #define MY(OP) CAT(i386mach3_,OP)
  46 #define TARGETNAME "a.out-mach3"
  47
  48 static boolean MY(set_sizes)();
  49 #define MY_backend_data &MY(backend_data)
  50 static CONST struct aout_backend_data MY(backend_data) = {
  51   0,                            /* zmagic contiguous */
  52   1,                            /* text incl header */
  53   0,                            /* text vma? */
  54   MY(set_sizes),
  55   1,                            /* exec header not counted */
  56 };
  57
  58 #include "aout-target.h"