xref: /openbsd/gnu/usr.bin/binutils/bfd/host-aout.c (revision c88b1d6c)
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 
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 #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