host-aout.c revision 33965 
1/* BFD backend for local host's a.out binaries
2   Copyright (C) 1990, 91, 92, 93, 94 Free Software Foundation, Inc.
3   Written by Cygnus Support.  Probably John Gilmore's fault.
4
5This file is part of BFD, the Binary File Descriptor library.
6
7This program is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 2 of the License, or
10(at your option) any later version.
11
12This program is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with this program; if not, write to the Free Software
19Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
20
21#include "bfd.h"
22#include "sysdep.h"
23#include "libbfd.h"
24
25#define	ARCH_SIZE	32
26
27/* When porting to a new system, you must supply:
28
29	HOST_PAGE_SIZE		(optional)
30	HOST_SEGMENT_SIZE	(optional -- defaults to page size)
31	HOST_MACHINE_ARCH	(optional)
32	HOST_MACHINE_MACHINE	(optional)
33	HOST_TEXT_START_ADDR	(optional)
34	HOST_STACK_END_ADDR	(not used, except by trad-core ???)
35	HOST_BIG_ENDIAN_P	(required -- define if big-endian)
36
37   in the ./hosts/h-systemname.h file.  */
38
39#ifdef TRAD_HEADER
40#include TRAD_HEADER
41#endif
42
43#ifdef			HOST_PAGE_SIZE
44#define	TARGET_PAGE_SIZE	HOST_PAGE_SIZE
45#endif
46
47#ifdef			HOST_SEGMENT_SIZE
48#define	SEGMENT_SIZE	HOST_SEGMENT_SIZE
49#else
50#define	SEGMENT_SIZE	TARGET_PAGE_SIZE
51#endif
52
53#ifdef			HOST_TEXT_START_ADDR
54#define	TEXT_START_ADDR	HOST_TEXT_START_ADDR
55#endif
56
57#ifdef			HOST_STACK_END_ADDR
58#define	STACK_END_ADDR	HOST_STACK_END_ADDR
59#endif
60
61#ifdef			HOST_BIG_ENDIAN_P
62#define	TARGET_IS_BIG_ENDIAN_P
63#else
64#undef  TARGET_IS_BIG_ENDIAN_P
65#endif
66
67#include "libaout.h"           /* BFD a.out internal data structures */
68#include "aout/aout64.h"
69
70#ifdef HOST_MACHINE_ARCH
71#ifdef HOST_MACHINE_MACHINE
72#define SET_ARCH_MACH(abfd, execp) \
73  bfd_default_set_arch_mach(abfd, HOST_MACHINE_ARCH, HOST_MACHINE_MACHINE)
74#else
75#define SET_ARCH_MACH(abfd, execp) \
76  bfd_default_set_arch_mach(abfd, HOST_MACHINE_ARCH, 0)
77#endif
78#endif /* HOST_MACHINE_ARCH */
79
80#define MY(OP) CAT(host_aout_,OP)
81#define TARGETNAME "a.out"
82
83#include "aout-target.h"
84