xref: /openbsd-src/gnu/usr.bin/binutils-2.17/bfd/host-aout.c (revision 3d8817e467ea46cf4772788d6804dd293abfb01a)
1*3d8817e4Smiod /* BFD backend for local host's a.out binaries
2*3d8817e4Smiod    Copyright 1990, 1991, 1992, 1994, 1995, 2001
3*3d8817e4Smiod    Free Software Foundation, Inc.
4*3d8817e4Smiod    Written by Cygnus Support.  Probably John Gilmore's fault.
5*3d8817e4Smiod 
6*3d8817e4Smiod This file is part of BFD, the Binary File Descriptor library.
7*3d8817e4Smiod 
8*3d8817e4Smiod This program is free software; you can redistribute it and/or modify
9*3d8817e4Smiod it under the terms of the GNU General Public License as published by
10*3d8817e4Smiod the Free Software Foundation; either version 2 of the License, or
11*3d8817e4Smiod (at your option) any later version.
12*3d8817e4Smiod 
13*3d8817e4Smiod This program is distributed in the hope that it will be useful,
14*3d8817e4Smiod but WITHOUT ANY WARRANTY; without even the implied warranty of
15*3d8817e4Smiod MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16*3d8817e4Smiod GNU General Public License for more details.
17*3d8817e4Smiod 
18*3d8817e4Smiod You should have received a copy of the GNU General Public License
19*3d8817e4Smiod along with this program; if not, write to the Free Software
20*3d8817e4Smiod Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
21*3d8817e4Smiod 
22*3d8817e4Smiod #include "bfd.h"
23*3d8817e4Smiod #include "sysdep.h"
24*3d8817e4Smiod #include "libbfd.h"
25*3d8817e4Smiod 
26*3d8817e4Smiod #define	ARCH_SIZE	32
27*3d8817e4Smiod 
28*3d8817e4Smiod /* When porting to a new system, you must supply:
29*3d8817e4Smiod 
30*3d8817e4Smiod 	HOST_PAGE_SIZE		(optional)
31*3d8817e4Smiod 	HOST_SEGMENT_SIZE	(optional -- defaults to page size)
32*3d8817e4Smiod 	HOST_MACHINE_ARCH	(optional)
33*3d8817e4Smiod 	HOST_MACHINE_MACHINE	(optional)
34*3d8817e4Smiod 	HOST_TEXT_START_ADDR	(optional)
35*3d8817e4Smiod 	HOST_STACK_END_ADDR	(not used, except by trad-core ???)
36*3d8817e4Smiod 	HOST_BIG_ENDIAN_P	(required -- define if big-endian)
37*3d8817e4Smiod 
38*3d8817e4Smiod    in the ./hosts/h-systemname.h file.  */
39*3d8817e4Smiod 
40*3d8817e4Smiod #ifdef TRAD_HEADER
41*3d8817e4Smiod #include TRAD_HEADER
42*3d8817e4Smiod #endif
43*3d8817e4Smiod 
44*3d8817e4Smiod #ifdef			HOST_PAGE_SIZE
45*3d8817e4Smiod #define	TARGET_PAGE_SIZE	HOST_PAGE_SIZE
46*3d8817e4Smiod #endif
47*3d8817e4Smiod 
48*3d8817e4Smiod #ifdef			HOST_SEGMENT_SIZE
49*3d8817e4Smiod #define	SEGMENT_SIZE	HOST_SEGMENT_SIZE
50*3d8817e4Smiod #else
51*3d8817e4Smiod #define	SEGMENT_SIZE	TARGET_PAGE_SIZE
52*3d8817e4Smiod #endif
53*3d8817e4Smiod 
54*3d8817e4Smiod #ifdef			HOST_TEXT_START_ADDR
55*3d8817e4Smiod #define	TEXT_START_ADDR	HOST_TEXT_START_ADDR
56*3d8817e4Smiod #endif
57*3d8817e4Smiod 
58*3d8817e4Smiod #ifdef			HOST_STACK_END_ADDR
59*3d8817e4Smiod #define	STACK_END_ADDR	HOST_STACK_END_ADDR
60*3d8817e4Smiod #endif
61*3d8817e4Smiod 
62*3d8817e4Smiod #ifdef			HOST_BIG_ENDIAN_P
63*3d8817e4Smiod #define	TARGET_IS_BIG_ENDIAN_P
64*3d8817e4Smiod #else
65*3d8817e4Smiod #undef  TARGET_IS_BIG_ENDIAN_P
66*3d8817e4Smiod #endif
67*3d8817e4Smiod 
68*3d8817e4Smiod #include "libaout.h"           /* BFD a.out internal data structures */
69*3d8817e4Smiod #include "aout/aout64.h"
70*3d8817e4Smiod 
71*3d8817e4Smiod #ifdef HOST_MACHINE_ARCH
72*3d8817e4Smiod #ifdef HOST_MACHINE_MACHINE
73*3d8817e4Smiod #define SET_ARCH_MACH(abfd, execp) \
74*3d8817e4Smiod   bfd_default_set_arch_mach(abfd, HOST_MACHINE_ARCH, HOST_MACHINE_MACHINE)
75*3d8817e4Smiod #else
76*3d8817e4Smiod #define SET_ARCH_MACH(abfd, execp) \
77*3d8817e4Smiod   bfd_default_set_arch_mach(abfd, HOST_MACHINE_ARCH, 0)
78*3d8817e4Smiod #endif
79*3d8817e4Smiod #endif /* HOST_MACHINE_ARCH */
80*3d8817e4Smiod 
81*3d8817e4Smiod /* Do not "beautify" the CONCAT* macro args.  Traditional C will not
82*3d8817e4Smiod    remove whitespace added here, and thus will fail to concatenate
83*3d8817e4Smiod    the tokens.  */
84*3d8817e4Smiod #define MY(OP) CONCAT2 (host_aout_,OP)
85*3d8817e4Smiod #define TARGETNAME "a.out"
86*3d8817e4Smiod 
87*3d8817e4Smiod #include "aout-target.h"
88