aout_machdep.h revision 2632:1bb2f91485ea 
1/*
2 * Copyright (c) 2003-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef __AOUT_MACHDEP_H__
30#define __AOUT_MACHDEP_H__
31
32///
33/// Funky Alpha 64-bit a.out header used for PAL code.
34///
35struct aout_exechdr {
36    uint16_t	magic;		///< magic number
37    uint16_t	vstamp;		///< version stamp?
38    uint16_t	bldrev;		///< ???
39    uint16_t	padcell;	///< padding
40    uint64_t	tsize;		///< text segment size
41    uint64_t	dsize;		///< data segment size
42    uint64_t	bsize;		///< bss segment size
43    uint64_t	entry;		///< entry point
44    uint64_t	text_start;	///< text base address
45    uint64_t	data_start;	///< data base address
46    uint64_t	bss_start;	///< bss base address
47    uint32_t	gprmask;	///< GPR mask (unused, AFAIK)
48    uint32_t	fprmask;	///< FPR mask (unused, AFAIK)
49    uint64_t	gp_value;	///< global pointer reg value
50};
51
52#define AOUT_LDPGSZ	8192
53
54#define N_GETMAGIC(ex)	((ex).magic)
55
56#define N_BADMAX
57
58#define N_TXTADDR(ex)	((ex).text_start)
59#define N_DATADDR(ex)	((ex).data_start)
60#define N_BSSADDR(ex)	((ex).bss_start)
61
62#define N_TXTOFF(ex)	\
63        (N_GETMAGIC(ex) == ZMAGIC ? 0 : sizeof(struct aout_exechdr))
64
65#define N_DATOFF(ex)	N_ALIGN(ex, N_TXTOFF(ex) + (ex).tsize)
66
67#endif /* !__AOUT_MACHDEP_H__*/
68