1 /* BFD back-end definitions used by all NetBSD targets.
2 Copyright (C) 1990, 1991, 1992 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., 675 Mass Ave, Cambridge, MA 02139, USA.
21 /* NetBSD fits its header into the start of its text segment */
22 #define N_HEADER_IN_TEXT(x) 1
23 #define TEXT_START_ADDR PAGE_SIZE
26 ( (((ex).a_info)&0xffff0000) ? (((ex).a_info)&0xffff) : ((ex).a_info) )
27 #define N_MACHTYPE(ex) \
28 ( (((ex).a_info)&0xffff0000) ? ((((ex).a_info)>>16)&0x03ff) : 0 )
29 # define N_FLAGS(ex) \
30 ( (((ex).a_info)&0xffff0000) ? ((((ex).a_info)>>26)&0x3f) : 0 )
31 #define N_SET_INFO(ex, mag,mid,flag) \
32 ( (ex).a_info = htonl( (((flag)&0x3f)<<26) | (((mid)&0x03ff)<<16) | \
34 #define N_SET_MAGIC(exec,magic) \
35 ((exec).a_info = (((exec).a_info & ~0xffff) | ((magic) & 0xffff)))
36 #define N_SET_MACHTYPE(exec,machtype) \
38 (((exec).a_info & ~(0x3ff<<16)) | (((machtype)&0xff) << 16)))
39 #define N_SET_FLAGS(exec, flags) \
40 ((exec).a_info = ((exec).a_info & 0xffff) | (flags & 0xffff))
47 #define N_GETMAGIC(ex) \
48 ( (((ex).a_info)&0xffff0000) ? (((ex).a_info)&0xffff) : ((ex).a_info))
49 #define N_GETMAGIC2(ex) \
50 ( (((ex).a_info)&0xffff0000) ? (((ex).a_info)&0xffff) : \
51 (((ex).a_info) | 0x10000) )
53 #define N_TXTADDR(ex) (N_GETMAGIC2(ex) == (ZMAGIC|0x10000) ? 0 : __LDPGSZ)
54 #define N_TXTOFF(ex) \
55 ( N_GETMAGIC2(ex)==ZMAGIC || N_GETMAGIC2(ex)==(QMAGIC|0x10000) ? \
56 0 : (N_GETMAGIC2(ex)==(ZMAGIC|0x10000) ? __LDPGSZ : EXEC_BYTES_SIZE ))
57 #define N_ALIGN(ex,x) \
58 (N_MAGIC(ex) == ZMAGIC || N_MAGIC(ex) == QMAGIC ? \
59 ((x) + __LDPGSZ - 1) & ~(__LDPGSZ - 1) : (x))
60 #define N_DATADDR(ex) \
61 (N_GETMAGIC(ex) == OMAGIC ? N_TXTADDR(ex) + (ex).a_text : \
62 (N_TXTADDR(ex) + (ex).a_text + __LDPGSZ - 1) & ~(__LDPGSZ - 1))
64 /* Data segment offset. */
65 #define N_DATOFF(ex) \
66 N_ALIGN(ex, N_TXTOFF(ex) + (ex).a_text)
68 /* On NetBSD, the magic number is always in ntohl's "network" (big-endian)
70 #define SWAP_MAGIC(ext) bfd_getb32 (ext)
72 #include "aout-target.h"
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