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 * Authors: Steve Reinhardt
29 *          Nathan Binkert
30 */
31
32#ifndef __AOUT_MACHDEP_H__
33#define __AOUT_MACHDEP_H__
34
35///
36/// Funky Alpha 64-bit a.out header used for PAL code.
37///
38struct aout_exechdr {
39    uint16_t    magic;          ///< magic number
40    uint16_t    vstamp;         ///< version stamp?
41    uint16_t    bldrev;         ///< ???
42    uint16_t    padcell;        ///< padding
43    uint64_t    tsize;          ///< text segment size
44    uint64_t    dsize;          ///< data segment size
45    uint64_t    bsize;          ///< bss segment size
46    uint64_t    entry;          ///< entry point
47    uint64_t    text_start;     ///< text base address
48    uint64_t    data_start;     ///< data base address
49    uint64_t    bss_start;      ///< bss base address
50    uint32_t    gprmask;        ///< GPR mask (unused, AFAIK)
51    uint32_t    fprmask;        ///< FPR mask (unused, AFAIK)
52    uint64_t    gp_value;       ///< global pointer reg value
53};
54
55#define AOUT_LDPGSZ     8192
56
57#define N_GETMAGIC(ex)  ((ex).magic)
58
59#define N_BADMAX
60
61#define N_TXTADDR(ex)   ((ex).text_start)
62#define N_DATADDR(ex)   ((ex).data_start)
63#define N_BSSADDR(ex)   ((ex).bss_start)
64
65#define N_TXTOFF(ex)    \
66        (N_GETMAGIC(ex) == ZMAGIC ? 0 : sizeof(struct aout_exechdr))
67
68#define N_DATOFF(ex)    N_ALIGN(ex, N_TXTOFF(ex) + (ex).tsize)
69
70#endif /* !__AOUT_MACHDEP_H__*/
71