2 * Taken from NetBSD sys/exec_ecoff.h
5 /* $NetBSD: exec_ecoff.h,v 1.13 2003/01/18 09:53:18 thorpej Exp $ */
8 * Copyright (c) 1994 Adam Glass
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
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
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.
37 #ifndef _SYS_EXEC_ECOFF_H_
38 #define _SYS_EXEC_ECOFF_H_
40 struct 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??? */
50 struct ecoff_aouthdr
{
58 coff_ulong text_start
;
59 coff_ulong data_start
;
64 struct 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 */
77 struct ecoff_exechdr
{
78 struct ecoff_filehdr f
;
79 struct ecoff_aouthdr a
;
82 #define ECOFF_HDR_SIZE (sizeof(struct ecoff_exechdr))
84 #define ECOFF_OMAGIC 0407
85 #define ECOFF_NMAGIC 0410
86 #define ECOFF_ZMAGIC 0413
88 #define ECOFF_ROUND(value, by) \
89 (((value) + (by) - 1) & ~((by) - 1))
91 #define ECOFF_BLOCK_ALIGN(ep, value) \
92 ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_ROUND((value), ECOFF_LDPGSZ) : \
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)))
100 #define ECOFF_DATOFF(ep) \
101 (ECOFF_BLOCK_ALIGN((ep), ECOFF_TXTOFF(ep) + (ep)->a.tsize))
103 #define ECOFF_SEGMENT_ALIGN(ep, value) \
104 (ECOFF_ROUND((value), ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_LDPGSZ : \
105 ECOFF_SEGMENT_ALIGNMENT(ep))))
107 #endif /* !_SYS_EXEC_ECOFF_H_ */