bfd/i386mach3.c

   1 /* BFD back-end for i386 a.out binaries.
   2    Copyright (C) 1990-2017 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 3 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., 51 Franklin Street - Fifth Floor, Boston,
  19    MA 02110-1301, USA.  */
  20
  21
  22 /* This is for Mach 3, which uses a.out, not Mach-O.  */
  23
  24 /* There is no magic number or anything which lets us distinguish this target
  25    from i386aout or i386bsd.  So this target is only useful if it is the
  26    default target.  */
  27
  28 #define TARGET_PAGE_SIZE        1
  29 #define SEGMENT_SIZE    0x1000
  30 #define TEXT_START_ADDR 0x10000
  31 #define ARCH 32
  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 "sysdep.h"
  38 #include "bfd.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
  47 /* Do not "beautify" the CONCAT* macro args.  Traditional C will not
  48    remove whitespace added here, and thus will fail to concatenate
  49    the tokens.  */
  50 #define MY(OP) CONCAT2 (i386_aout_mach3_,OP)
  51 #define TARGETNAME "a.out-mach3"
  52
  53 static bfd_boolean MY (set_sizes) (bfd *);
  54 #define MY_backend_data &MY(backend_data)
  55
  56 static const struct aout_backend_data MY(backend_data) =
  57 {
  58   0,                            /* zmagic contiguous */
  59   1,                            /* text incl header */
  60   0,                            /* entry is text address */
  61   0,                            /* exec_hdr_flags */
  62   0,                            /* text vma? */
  63   MY(set_sizes),
  64   1,                            /* exec header not counted */
  65   0,                            /* add_dynamic_symbols */
  66   0,                            /* add_one_symbol */
  67   0,                            /* link_dynamic_object */
  68   0,                            /* write_dynamic_symbol */
  69   0,                            /* check_dynamic_reloc */
  70   0                             /* finish_dynamic_link */
  71 };
  72
  73 #include "aout-target.h"