Thu Nov 19 16:02:46 1998 Dave Brolley <brolley@cygnus.com>
[deliverable/binutils-gdb.git] / bfd / netbsd.h
CommitLineData
32399d32
C
1/* BFD back-end definitions used by all NetBSD targets.
2 Copyright (C) 1990, 1991, 1992 Free Software Foundation, Inc.
3
4This file is part of BFD, the Binary File Descriptor library.
5
6This program is free software; you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published by
8the Free Software Foundation; either version 2 of the License, or
9(at your option) any later version.
10
11This program is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14GNU General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with this program; if not, write to the Free Software
18Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19*/
20
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
24
25#define N_MAGIC(ex) \
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) | \
33 (((mag)&0xffff)) ) )
34#define N_SET_MAGIC(exec,magic) \
35 ((exec).a_info = (((exec).a_info & ~0xffff) | ((magic) & 0xffff)))
36#define N_SET_MACHTYPE(exec,machtype) \
37 ((exec).a_info = \
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))
41
42#include "bfd.h"
43#include "sysdep.h"
44#include "libbfd.h"
45#include "libaout.h"
46
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) )
52
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))
63
64/* Data segment offset. */
65#define N_DATOFF(ex) \
66 N_ALIGN(ex, N_TXTOFF(ex) + (ex).a_text)
67
68/* On NetBSD, the magic number is always in ntohl's "network" (big-endian)
69 format. */
70#define SWAP_MAGIC(ext) bfd_getb32 (ext)
71
72#include "aout-target.h"
This page took 0.214983 seconds and 4 git commands to generate.