1 /* $OpenBSD: exec_ecoff.h,v 1.7 2002/03/14 01:27:14 millert Exp $ */
2 /* $NetBSD: exec_ecoff.h,v 1.9 1996/05/09 23:42:08 cgd Exp $ */
3
4 /*
5 * Copyright (c) 1994 Adam Glass
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by Adam Glass.
19 * 4. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34 #ifndef _SYS_EXEC_ECOFF_H_
35 #define _SYS_EXEC_ECOFF_H_
36
37 #include <machine/ecoff_machdep.h>
38
39 struct ecoff_filehdr {
40 u_short f_magic; /* magic number */
41 u_short f_nscns; /* # of sections */
42 u_int f_timdat; /* time and date stamp */
43 u_long f_symptr; /* file offset of symbol table */
44 u_int f_nsyms; /* # of symbol table entries */
45 u_short f_opthdr; /* sizeof the optional header */
46 u_short f_flags; /* flags??? */
47 };
48
49 struct ecoff_aouthdr {
50 u_short magic;
51 u_short vstamp;
52 ECOFF_PAD
53 u_long tsize;
54 u_long dsize;
55 u_long bsize;
56 u_long entry;
57 u_long text_start;
58 u_long data_start;
59 u_long bss_start;
60 ECOFF_MACHDEP;
61 };
62
63 struct ecoff_scnhdr { /* needed for size info */
64 char s_name[8]; /* name */
65 u_long s_paddr; /* physical addr? for ROMing?*/
66 u_long s_vaddr; /* virtual addr? */
67 u_long s_size; /* size */
68 u_long s_scnptr; /* file offset of raw data */
69 u_long s_relptr; /* file offset of reloc data */
70 u_long s_lnnoptr; /* file offset of line data */
71 u_short s_nreloc; /* # of relocation entries */
72 u_short s_nlnno; /* # of line entries */
73 u_int s_flags; /* flags */
74 };
75
76 struct ecoff_exechdr {
77 struct ecoff_filehdr f;
78 struct ecoff_aouthdr a;
79 };
80
81 #define ECOFF_HDR_SIZE (sizeof(struct ecoff_exechdr))
82
83 #define ECOFF_OMAGIC 0407
84 #define ECOFF_NMAGIC 0410
85 #define ECOFF_ZMAGIC 0413
86
87 #define ECOFF_ROUND(value, by) \
88 (((value) + (by) - 1) & ~((by) - 1))
89
90 #define ECOFF_BLOCK_ALIGN(ep, value) \
91 ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_ROUND((value), ECOFF_LDPGSZ) : \
92 (value))
93
94 #define ECOFF_TXTOFF(ep) \
95 ((ep)->a.magic == ECOFF_ZMAGIC ? 0 : \
96 ECOFF_ROUND(ECOFF_HDR_SIZE + (ep)->f.f_nscns * \
97 sizeof(struct ecoff_scnhdr), ECOFF_SEGMENT_ALIGNMENT(ep)))
98
99 #define ECOFF_DATOFF(ep) \
100 (ECOFF_BLOCK_ALIGN((ep), ECOFF_TXTOFF(ep) + (ep)->a.tsize))
101
102 #define ECOFF_SEGMENT_ALIGN(ep, value) \
103 (ECOFF_ROUND((value), ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_LDPGSZ : \
104 ECOFF_SEGMENT_ALIGNMENT(ep))))
105
106 #ifdef _KERNEL
107 int exec_ecoff_makecmds(struct proc *, struct exec_package *);
108 int cpu_exec_ecoff_hook(struct proc *, struct exec_package *);
109 int exec_ecoff_prep_omagic(struct proc *, struct exec_package *);
110 int exec_ecoff_prep_nmagic(struct proc *, struct exec_package *);
111 int exec_ecoff_prep_zmagic(struct proc *, struct exec_package *);
112 #endif /* _KERNEL */
113 #endif /* !_SYS_EXEC_ECOFF_H_ */