1/* BFD back-end definitions used by all FreeBSD targets.
2   Copyright 1990, 1991, 1992, 1996, 1997, 2000, 2001, 2002
3   Free Software Foundation, Inc.
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
22/* FreeBSD ZMAGIC files never have the header in the text. */
23#define	N_HEADER_IN_TEXT(x)	0
24
25/* ZMAGIC files start at offset 0.  Does not apply to QMAGIC files. */
26#define TEXT_START_ADDR		0
27
28#define N_GETMAGIC_NET(exec) \
29	((exec).a_info & 0xffff)
30#define N_GETMID_NET(exec) \
31	(((exec).a_info >> 16) & 0x3ff)
32#define N_GETFLAG_NET(ex) \
33	(((exec).a_info >> 26) & 0x3f)
34
35#define N_MACHTYPE(exec) \
36	((enum machine_type) \
37	 ((N_GETMAGIC_NET (exec) == ZMAGIC) ? N_GETMID_NET (exec) : \
38	  ((exec).a_info >> 16) & 0x3ff))
39#define N_FLAGS(exec) \
40	((N_GETMAGIC_NET (exec) == ZMAGIC) ? N_GETFLAG_NET (exec) : \
41	 ((exec).a_info >> 26) & 0x3f)
42
43#define N_SET_INFO(exec, magic, type, flags) \
44	((exec).a_info = ((magic) & 0xffff) \
45	 | (((int)(type) & 0x3ff) << 16) \
46	 | (((flags) & 0x3f) << 26))
47#define N_SET_MACHTYPE(exec, machtype) \
48	((exec).a_info = \
49         ((exec).a_info & 0xfb00ffff) | ((((int)(machtype))&0x3ff) << 16))
50#define N_SET_FLAGS(exec, flags) \
51	((exec).a_info = \
52	 ((exec).a_info & 0x03ffffff) | ((flags & 0x03f) << 26))
53
54#include "bfd.h"
55#include "sysdep.h"
56#include "libbfd.h"
57#include "libaout.h"
58
59/* On FreeBSD, the magic number is always in i386 (little-endian)
60   format.  I think.  */
61#define SWAP_MAGIC(ext) bfd_getl32 (ext)
62
63#define MY_write_object_contents MY(write_object_contents)
64static bfd_boolean MY(write_object_contents) PARAMS ((bfd *abfd));
65
66#include "aout-target.h"
67
68/* Write an object file.
69   Section contents have already been written.  We write the
70   file header, symbols, and relocation.  */
71
72static bfd_boolean
73MY(write_object_contents) (abfd)
74     bfd *abfd;
75{
76  struct external_exec exec_bytes;
77  struct internal_exec *execp = exec_hdr (abfd);
78
79  obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
80
81  /* Magic number, maestro, please!  */
82  switch (bfd_get_arch(abfd)) {
83  case bfd_arch_m68k:
84    if (strcmp (abfd->xvec->name, "a.out-m68k4k-netbsd") == 0)
85      N_SET_MACHTYPE(*execp, M_68K4K_NETBSD);
86    else
87      N_SET_MACHTYPE(*execp, M_68K_NETBSD);
88    break;
89  case bfd_arch_sparc:
90    N_SET_MACHTYPE(*execp, M_SPARC_NETBSD);
91    break;
92  case bfd_arch_i386:
93    N_SET_MACHTYPE(*execp, M_386_NETBSD);
94    break;
95  case bfd_arch_ns32k:
96    N_SET_MACHTYPE(*execp, M_532_NETBSD);
97    break;
98  default:
99    N_SET_MACHTYPE(*execp, M_UNKNOWN);
100    break;
101  }
102
103  WRITE_HEADERS(abfd, execp);
104
105  return TRUE;
106}
107