1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
/*
* Taken from NetBSD sys/exec_ecoff.h
*/
/* $NetBSD: exec_ecoff.h,v 1.13 2003/01/18 09:53:18 thorpej Exp $ */
/*
* Copyright (c) 1994 Adam Glass
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Adam Glass.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SYS_EXEC_ECOFF_H_
#define _SYS_EXEC_ECOFF_H_
//Only alpha will be able to load ecoff files for now
#include "arch/alpha/ecoff_machdep.h"
struct ecoff_filehdr {
coff_ushort f_magic; /* magic number */
coff_ushort f_nscns; /* # of sections */
coff_uint f_timdat; /* time and date stamp */
coff_ulong f_symptr; /* file offset of symbol table */
coff_uint f_nsyms; /* # of symbol table entries */
coff_ushort f_opthdr; /* sizeof the optional header */
coff_ushort f_flags; /* flags??? */
};
struct ecoff_aouthdr {
coff_ushort magic;
coff_ushort vstamp;
ECOFF_PAD
coff_ulong tsize;
coff_ulong dsize;
coff_ulong bsize;
coff_ulong entry;
coff_ulong text_start;
coff_ulong data_start;
coff_ulong bss_start;
ECOFF_MACHDEP;
};
struct ecoff_scnhdr { /* needed for size info */
char s_name[8]; /* name */
coff_ulong s_paddr; /* physical addr? for ROMing?*/
coff_ulong s_vaddr; /* virtual addr? */
coff_ulong s_size; /* size */
coff_ulong s_scnptr; /* file offset of raw data */
coff_ulong s_relptr; /* file offset of reloc data */
coff_ulong s_lnnoptr; /* file offset of line data */
coff_ushort s_nreloc; /* # of relocation entries */
coff_ushort s_nlnno; /* # of line entries */
coff_uint s_flags; /* flags */
};
struct ecoff_exechdr {
struct ecoff_filehdr f;
struct ecoff_aouthdr a;
};
#define ECOFF_HDR_SIZE (sizeof(struct ecoff_exechdr))
#define ECOFF_OMAGIC 0407
#define ECOFF_NMAGIC 0410
#define ECOFF_ZMAGIC 0413
#define ECOFF_ROUND(value, by) \
(((value) + (by) - 1) & ~((by) - 1))
#define ECOFF_BLOCK_ALIGN(ep, value) \
((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_ROUND((value), ECOFF_LDPGSZ) : \
(value))
#define ECOFF_TXTOFF(ep) \
((ep)->a.magic == ECOFF_ZMAGIC ? 0 : \
ECOFF_ROUND(ECOFF_HDR_SIZE + (ep)->f.f_nscns * \
sizeof(struct ecoff_scnhdr), ECOFF_SEGMENT_ALIGNMENT(ep)))
#define ECOFF_DATOFF(ep) \
(ECOFF_BLOCK_ALIGN((ep), ECOFF_TXTOFF(ep) + (ep)->a.tsize))
#define ECOFF_SEGMENT_ALIGN(ep, value) \
(ECOFF_ROUND((value), ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_LDPGSZ : \
ECOFF_SEGMENT_ALIGNMENT(ep))))
#endif /* !_SYS_EXEC_ECOFF_H_ */
|
