1 /* BFD back-end definitions used by all FreeBSD targets.
2 Copyright (C) 1990, 1991, 1992, 1996 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
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 2 of the License, or
9 (at your option) any later version.
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.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 /* FreeBSD ZMAGIC files never have the header in the text. */
22 #define N_HEADER_IN_TEXT(x) 0
24 /* ZMAGIC files start at offset 0. Does not apply to QMAGIC files. */
25 #define TEXT_START_ADDR 0
27 #define N_GETMAGIC_NET(exec) \
28 ((exec).a_info & 0xffff)
29 #define N_GETMID_NET(exec) \
30 (((exec).a_info >> 16) & 0x3ff)
31 #define N_GETFLAG_NET(ex) \
32 (((exec).a_info >> 26) & 0x3f)
34 #define N_MACHTYPE(exec) \
35 ((enum machine_type) \
36 ((N_GETMAGIC_NET (exec) == ZMAGIC) ? N_GETMID_NET (exec) : \
37 ((exec).a_info >> 16) & 0x3ff))
38 #define N_FLAGS(exec) \
39 ((N_GETMAGIC_NET (exec) == ZMAGIC) ? N_GETFLAG_NET (exec) : \
40 ((exec).a_info >> 26) & 0x3f)
42 #define N_SET_INFO(exec, magic, type, flags) \
43 ((exec).a_info = ((magic) & 0xffff) \
44 | (((int)(type) & 0x3ff) << 16) \
45 | (((flags) & 0x3f) << 26))
46 #define N_SET_MACHTYPE(exec, machtype) \
48 ((exec).a_info & 0xfb00ffff) | ((((int)(machtype))&0x3ff) << 16))
49 #define N_SET_FLAGS(exec, flags) \
51 ((exec).a_info & 0x03ffffff) | ((flags & 0x03f) << 26))
58 /* On FreeBSD, the magic number is always in i386 (little-endian)
60 #define SWAP_MAGIC(ext) bfd_getl32 (ext)
63 #define MY_write_object_contents MY(write_object_contents)
64 static boolean
MY(write_object_contents
) PARAMS ((bfd
*abfd
));
66 #include "aout-target.h"
68 /* Write an object file.
69 Section contents have already been written. We write the
70 file header, symbols, and relocation. */
73 MY(write_object_contents
) (abfd
)
76 struct external_exec exec_bytes
;
77 struct internal_exec
*execp
= exec_hdr (abfd
);
80 CHOOSE_RELOC_SIZE(abfd
);
82 obj_reloc_entry_size (abfd
) = RELOC_STD_SIZE
;
85 /* Magic number, maestro, please! */
86 switch (bfd_get_arch(abfd
)) {
88 if (strcmp (abfd
->xvec
->name
, "a.out-m68k4k-netbsd") == 0)
89 N_SET_MACHTYPE(*execp
, M_68K4K_NETBSD
);
91 N_SET_MACHTYPE(*execp
, M_68K_NETBSD
);
94 N_SET_MACHTYPE(*execp
, M_SPARC_NETBSD
);
97 N_SET_MACHTYPE(*execp
, M_386_NETBSD
);
100 N_SET_MACHTYPE(*execp
, M_532_NETBSD
);
103 N_SET_MACHTYPE(*execp
, M_UNKNOWN
);
107 WRITE_HEADERS(abfd
, execp
);
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