1 /* BFD back-end definitions used by all FreeBSD targets.
2 Copyright (C) 1990-2016 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)
64 static 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
72 static bfd_boolean
MY(write_object_contents)73 MY (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