gas/
[binutils.git] / bfd / host-aout.c
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1 /* BFD backend for local host's a.out binaries
2 Copyright 1990, 1991, 1992, 1994, 1995, 2001, 2007
3 Free Software Foundation, Inc.
4 Written by Cygnus Support. Probably John Gilmore's fault.
6 This file is part of BFD, the Binary File Descriptor library.
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.
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.
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. */
23 #include "sysdep.h"
24 #include "bfd.h"
25 #include "libbfd.h"
27 #define ARCH_SIZE 32
29 /* When porting to a new system, you must supply:
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)
39 in the ./hosts/h-systemname.h file. */
41 #ifdef TRAD_HEADER
42 #include TRAD_HEADER
43 #endif
45 #ifdef HOST_PAGE_SIZE
46 #define TARGET_PAGE_SIZE HOST_PAGE_SIZE
47 #endif
49 #ifdef HOST_SEGMENT_SIZE
50 #define SEGMENT_SIZE HOST_SEGMENT_SIZE
51 #else
52 #define SEGMENT_SIZE TARGET_PAGE_SIZE
53 #endif
55 #ifdef HOST_TEXT_START_ADDR
56 #define TEXT_START_ADDR HOST_TEXT_START_ADDR
57 #endif
59 #ifdef HOST_STACK_END_ADDR
60 #define STACK_END_ADDR HOST_STACK_END_ADDR
61 #endif
63 #ifdef HOST_BIG_ENDIAN_P
64 #define TARGET_IS_BIG_ENDIAN_P
65 #else
66 #undef TARGET_IS_BIG_ENDIAN_P
67 #endif
69 #include "libaout.h" /* BFD a.out internal data structures */
70 #include "aout/aout64.h"
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 */
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"
88 #include "aout-target.h"