bfd/host-aout.c

   1 /* BFD backend for local host's a.out binaries
   2    Copyright 1990, 1991, 1992, 1994, 1995, 2001, 2005, 2007
   3    Free Software Foundation, Inc.
   4    Written by Cygnus Support.  Probably John Gilmore's fault.
   5
   6    This file is part of BFD, the Binary File Descriptor library.
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  21    MA 02110-1301, USA.  */
  22
  23 #include "sysdep.h"
  24 #include "bfd.h"
  25 #include "libbfd.h"
  26
  27 #define ARCH_SIZE       32
  28
  29 /* When porting to a new system, you must supply:
  30
  31         HOST_PAGE_SIZE          (optional)
  32         HOST_SEGMENT_SIZE       (optional -- defaults to page size)
  33         HOST_MACHINE_ARCH       (optional)
  34         HOST_MACHINE_MACHINE    (optional)
  35         HOST_TEXT_START_ADDR    (optional)
  36         HOST_STACK_END_ADDR     (not used, except by trad-core ???)
  37         HOST_BIG_ENDIAN_P       (required -- define if big-endian)
  38
  39    in the ./hosts/h-systemname.h file.  */
  40
  41 #ifdef TRAD_HEADER
  42 #include TRAD_HEADER
  43 #endif
  44
  45 #ifdef                  HOST_PAGE_SIZE
  46 #define TARGET_PAGE_SIZE        HOST_PAGE_SIZE
  47 #endif
  48
  49 #ifdef                  HOST_SEGMENT_SIZE
  50 #define SEGMENT_SIZE    HOST_SEGMENT_SIZE
  51 #else
  52 #define SEGMENT_SIZE    TARGET_PAGE_SIZE
  53 #endif
  54
  55 #ifdef                  HOST_TEXT_START_ADDR
  56 #define TEXT_START_ADDR HOST_TEXT_START_ADDR
  57 #endif
  58
  59 #ifdef                  HOST_STACK_END_ADDR
  60 #define STACK_END_ADDR  HOST_STACK_END_ADDR
  61 #endif
  62
  63 #ifdef                  HOST_BIG_ENDIAN_P
  64 #define TARGET_IS_BIG_ENDIAN_P
  65 #else
  66 #undef  TARGET_IS_BIG_ENDIAN_P
  67 #endif
  68
  69 #include "libaout.h"           /* BFD a.out internal data structures */
  70 #include "aout/aout64.h"
  71
  72 #ifdef HOST_MACHINE_ARCH
  73 #ifdef HOST_MACHINE_MACHINE
  74 #define SET_ARCH_MACH(abfd, execp) \
  75   bfd_default_set_arch_mach(abfd, HOST_MACHINE_ARCH, HOST_MACHINE_MACHINE)
  76 #else
  77 #define SET_ARCH_MACH(abfd, execp) \
  78   bfd_default_set_arch_mach(abfd, HOST_MACHINE_ARCH, 0)
  79 #endif
  80 #endif /* HOST_MACHINE_ARCH */
  81
  82 /* Do not "beautify" the CONCAT* macro args.  Traditional C will not
  83    remove whitespace added here, and thus will fail to concatenate
  84    the tokens.  */
  85 #define MY(OP) CONCAT2 (host_aout_,OP)
  86 #define TARGETNAME "a.out"
  87
  88 #include "aout-target.h"