1/* BFD back-end definitions used by all FreeBSD targets.
2   Copyright (C) 1990-2017 Free Software Foundation, Inc.
3
4   This file is part of BFD, the Binary File Descriptor library.
5
6   This program is free software; you can redistribute it and/or modify
7   it under the terms of the GNU General Public License as published by
8   the Free Software Foundation; either version 3 of the License, or
9   (at your option) any later version.
10
11   This program is distributed in the hope that it will be useful,
12   but WITHOUT ANY WARRANTY; without even the implied warranty of
13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14   GNU General Public License for more details.
15
16   You should have received a copy of the GNU General Public License
17   along with this program; if not, write to the Free Software
18   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19   MA 02110-1301, 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(execp) \
29	((execp)->a_info & 0xffff)
30#define N_GETMID_NET(execp) \
31	(((execp)->a_info >> 16) & 0x3ff)
32#define N_GETFLAG_NET(exexp) \
33	(((execp)->a_info >> 26) & 0x3f)
34
35#define N_MACHTYPE(execp) \
36	((enum machine_type) \
37	 ((N_GETMAGIC_NET (execp) == ZMAGIC) ? N_GETMID_NET (execp) : \
38	  ((execp)->a_info >> 16) & 0x3ff))
39#define N_FLAGS(execp) \
40	((N_GETMAGIC_NET (execp) == ZMAGIC) ? N_GETFLAG_NET (execp) : \
41	 ((execp)->a_info >> 26) & 0x3f)
42
43#define N_SET_INFO(execp, magic, type, flags) \
44	((execp)->a_info = ((magic) & 0xffff) \
45	 | (((int)(type) & 0x3ff) << 16) \
46	 | (((flags) & 0x3f) << 26))
47#define N_SET_MACHTYPE(execp, machtype) \
48	((execp)->a_info = \
49         ((execp)->a_info & 0xfb00ffff) | ((((int) (machtype)) & 0x3ff) << 16))
50#define N_SET_FLAGS(execp, flags) \
51	((execp)->a_info = \
52	 ((execp)->a_info & 0x03ffffff) | ((flags & 0x03f) << 26))
53
54#include "sysdep.h"
55#include "bfd.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) (bfd *);
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) (bfd *abfd)
74{
75  struct external_exec exec_bytes;
76  struct internal_exec *execp = exec_hdr (abfd);
77
78  obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
79
80  /* Magic number, maestro, please!  */
81  switch (bfd_get_arch(abfd))
82    {
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