exec_ecoff.h (2632:1bb2f91485ea) exec_ecoff.h (7676:92274350b953)
1/*
2 * Taken from NetBSD sys/exec_ecoff.h
3 */
4
5/* $NetBSD: exec_ecoff.h,v 1.13 2003/01/18 09:53:18 thorpej Exp $ */
6
7/*
8 * Copyright (c) 1994 Adam Glass
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by Adam Glass.
22 * 4. The name of the author may not be used to endorse or promote products
23 * derived from this software without specific prior written permission
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
26 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
27 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
28 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
29 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
30 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
34 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 */
36
37#ifndef _SYS_EXEC_ECOFF_H_
38#define _SYS_EXEC_ECOFF_H_
39
1/*
2 * Taken from NetBSD sys/exec_ecoff.h
3 */
4
5/* $NetBSD: exec_ecoff.h,v 1.13 2003/01/18 09:53:18 thorpej Exp $ */
6
7/*
8 * Copyright (c) 1994 Adam Glass
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by Adam Glass.
22 * 4. The name of the author may not be used to endorse or promote products
23 * derived from this software without specific prior written permission
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
26 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
27 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
28 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
29 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
30 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
34 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 */
36
37#ifndef _SYS_EXEC_ECOFF_H_
38#define _SYS_EXEC_ECOFF_H_
39
40//Only alpha will be able to load ecoff files for now
41#include "arch/alpha/ecoff_machdep.h"
42
43struct ecoff_filehdr {
44 coff_ushort f_magic; /* magic number */
45 coff_ushort f_nscns; /* # of sections */
46 coff_uint f_timdat; /* time and date stamp */
47 coff_ulong f_symptr; /* file offset of symbol table */
48 coff_uint f_nsyms; /* # of symbol table entries */
49 coff_ushort f_opthdr; /* sizeof the optional header */
50 coff_ushort f_flags; /* flags??? */
51};
52
53struct ecoff_aouthdr {
54 coff_ushort magic;
55 coff_ushort vstamp;
56 ECOFF_PAD
57 coff_ulong tsize;
58 coff_ulong dsize;
59 coff_ulong bsize;
60 coff_ulong entry;
61 coff_ulong text_start;
62 coff_ulong data_start;
63 coff_ulong bss_start;
64 ECOFF_MACHDEP;
65};
66
67struct ecoff_scnhdr { /* needed for size info */
68 char s_name[8]; /* name */
69 coff_ulong s_paddr; /* physical addr? for ROMing?*/
70 coff_ulong s_vaddr; /* virtual addr? */
71 coff_ulong s_size; /* size */
72 coff_ulong s_scnptr; /* file offset of raw data */
73 coff_ulong s_relptr; /* file offset of reloc data */
74 coff_ulong s_lnnoptr; /* file offset of line data */
75 coff_ushort s_nreloc; /* # of relocation entries */
76 coff_ushort s_nlnno; /* # of line entries */
77 coff_uint s_flags; /* flags */
78};
79
80struct ecoff_exechdr {
81 struct ecoff_filehdr f;
82 struct ecoff_aouthdr a;
83};
84
85#define ECOFF_HDR_SIZE (sizeof(struct ecoff_exechdr))
86
87#define ECOFF_OMAGIC 0407
88#define ECOFF_NMAGIC 0410
89#define ECOFF_ZMAGIC 0413
90
91#define ECOFF_ROUND(value, by) \
92 (((value) + (by) - 1) & ~((by) - 1))
93
94#define ECOFF_BLOCK_ALIGN(ep, value) \
95 ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_ROUND((value), ECOFF_LDPGSZ) : \
96 (value))
97
98#define ECOFF_TXTOFF(ep) \
99 ((ep)->a.magic == ECOFF_ZMAGIC ? 0 : \
100 ECOFF_ROUND(ECOFF_HDR_SIZE + (ep)->f.f_nscns * \
101 sizeof(struct ecoff_scnhdr), ECOFF_SEGMENT_ALIGNMENT(ep)))
102
103#define ECOFF_DATOFF(ep) \
104 (ECOFF_BLOCK_ALIGN((ep), ECOFF_TXTOFF(ep) + (ep)->a.tsize))
105
106#define ECOFF_SEGMENT_ALIGN(ep, value) \
107 (ECOFF_ROUND((value), ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_LDPGSZ : \
108 ECOFF_SEGMENT_ALIGNMENT(ep))))
109
110#endif /* !_SYS_EXEC_ECOFF_H_ */
40struct ecoff_filehdr {
41 coff_ushort f_magic; /* magic number */
42 coff_ushort f_nscns; /* # of sections */
43 coff_uint f_timdat; /* time and date stamp */
44 coff_ulong f_symptr; /* file offset of symbol table */
45 coff_uint f_nsyms; /* # of symbol table entries */
46 coff_ushort f_opthdr; /* sizeof the optional header */
47 coff_ushort f_flags; /* flags??? */
48};
49
50struct ecoff_aouthdr {
51 coff_ushort magic;
52 coff_ushort vstamp;
53 ECOFF_PAD
54 coff_ulong tsize;
55 coff_ulong dsize;
56 coff_ulong bsize;
57 coff_ulong entry;
58 coff_ulong text_start;
59 coff_ulong data_start;
60 coff_ulong bss_start;
61 ECOFF_MACHDEP;
62};
63
64struct ecoff_scnhdr { /* needed for size info */
65 char s_name[8]; /* name */
66 coff_ulong s_paddr; /* physical addr? for ROMing?*/
67 coff_ulong s_vaddr; /* virtual addr? */
68 coff_ulong s_size; /* size */
69 coff_ulong s_scnptr; /* file offset of raw data */
70 coff_ulong s_relptr; /* file offset of reloc data */
71 coff_ulong s_lnnoptr; /* file offset of line data */
72 coff_ushort s_nreloc; /* # of relocation entries */
73 coff_ushort s_nlnno; /* # of line entries */
74 coff_uint s_flags; /* flags */
75};
76
77struct ecoff_exechdr {
78 struct ecoff_filehdr f;
79 struct ecoff_aouthdr a;
80};
81
82#define ECOFF_HDR_SIZE (sizeof(struct ecoff_exechdr))
83
84#define ECOFF_OMAGIC 0407
85#define ECOFF_NMAGIC 0410
86#define ECOFF_ZMAGIC 0413
87
88#define ECOFF_ROUND(value, by) \
89 (((value) + (by) - 1) & ~((by) - 1))
90
91#define ECOFF_BLOCK_ALIGN(ep, value) \
92 ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_ROUND((value), ECOFF_LDPGSZ) : \
93 (value))
94
95#define ECOFF_TXTOFF(ep) \
96 ((ep)->a.magic == ECOFF_ZMAGIC ? 0 : \
97 ECOFF_ROUND(ECOFF_HDR_SIZE + (ep)->f.f_nscns * \
98 sizeof(struct ecoff_scnhdr), ECOFF_SEGMENT_ALIGNMENT(ep)))
99
100#define ECOFF_DATOFF(ep) \
101 (ECOFF_BLOCK_ALIGN((ep), ECOFF_TXTOFF(ep) + (ep)->a.tsize))
102
103#define ECOFF_SEGMENT_ALIGN(ep, value) \
104 (ECOFF_ROUND((value), ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_LDPGSZ : \
105 ECOFF_SEGMENT_ALIGNMENT(ep))))
106
107#endif /* !_SYS_EXEC_ECOFF_H_ */