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
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_ */
108