1/* $NetBSD: exec_ecoff.h,v 1.21 2017/02/23 18:54:30 christos Exp $ */
2
3/*
4 * Copyright (c) 1994 Adam Glass
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Adam Glass.
18 * 4. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33#ifndef _SYS_EXEC_ECOFF_H_
34#define _SYS_EXEC_ECOFF_H_
35
36#include <machine/ecoff_machdep.h>
37
38#ifdef ECOFF32_PAD
39
40typedef uint32_t ecoff32_addr;
41typedef uint32_t ecoff32_off;
42typedef uint32_t ecoff32_ulong;
43typedef int32_t ecoff32_long;
44typedef uint32_t ecoff32_uint;
45typedef int32_t ecoff32_int;
46typedef uint16_t ecoff32_ushort;
47typedef int16_t ecoff32_short;
48typedef uint8_t ecoff32_ubyte;
49typedef int8_t ecoff32_byte;
50
51struct ecoff32_filehdr {
52 ecoff32_ushort f_magic; /* magic number */
53 ecoff32_ushort f_nscns; /* # of sections */
54 ecoff32_uint f_timdat; /* time and date stamp */
55 ecoff32_ulong f_symptr; /* file offset of symbol table */
56 ecoff32_uint f_nsyms; /* # of symbol table entries */
57 ecoff32_ushort f_opthdr; /* sizeof the optional header */
58 ecoff32_ushort f_flags; /* flags??? */
59};
60
61struct ecoff32_aouthdr {
62 ecoff32_ushort magic;
63 ecoff32_ushort vstamp;
64 ECOFF32_PAD
65 ecoff32_ulong tsize;
66 ecoff32_ulong dsize;
67 ecoff32_ulong bsize;
68 ecoff32_ulong entry;
69 ecoff32_ulong text_start;
70 ecoff32_ulong data_start;
71 ecoff32_ulong bss_start;
72 ECOFF32_MACHDEP;
73};
74
75struct ecoff32_scnhdr { /* needed for size info */
76 char s_name[8]; /* name */
77 ecoff32_ulong s_paddr; /* physical addr? for ROMing?*/
78 ecoff32_ulong s_vaddr; /* virtual addr? */
79 ecoff32_ulong s_size; /* size */
80 ecoff32_ulong s_scnptr; /* file offset of raw data */
81 ecoff32_ulong s_relptr; /* file offset of reloc data */
82 ecoff32_ulong s_lnnoptr; /* file offset of line data */
83 ecoff32_ushort s_nreloc; /* # of relocation entries */
84 ecoff32_ushort s_nlnno; /* # of line entries */
85 ecoff32_uint s_flags; /* flags */
86};
87
88struct ecoff32_exechdr {
89 struct ecoff32_filehdr f;
90 struct ecoff32_aouthdr a;
91};
92
93#define ECOFF32_HDR_SIZE (sizeof(struct ecoff32_exechdr))
94
95#define ECOFF32_TXTOFF(ep) \
96 ((ep)->a.magic == ECOFF_ZMAGIC ? 0 : \
97 ECOFF_ROUND(ECOFF32_HDR_SIZE + (ep)->f.f_nscns * \
98 sizeof(struct ecoff32_scnhdr), ECOFF32_SEGMENT_ALIGNMENT(ep)))
99
100#define ECOFF32_DATOFF(ep) \
101 (ECOFF_BLOCK_ALIGN((ep), ECOFF32_TXTOFF(ep) + (ep)->a.tsize))
102
103#define ECOFF32_SEGMENT_ALIGN(ep, value) \
104 (ECOFF_ROUND((value), ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_LDPGSZ : \
105 ECOFF32_SEGMENT_ALIGNMENT(ep))))
106#endif
107
108struct ecoff_filehdr {
109 u_short f_magic; /* magic number */
110 u_short f_nscns; /* # of sections */
111 u_int f_timdat; /* time and date stamp */
112 u_long f_symptr; /* file offset of symbol table */
113 u_int f_nsyms; /* # of symbol table entries */
114 u_short f_opthdr; /* sizeof the optional header */
115 u_short f_flags; /* flags??? */
116};
117
118struct ecoff_aouthdr {
119 u_short magic;
120 u_short vstamp;
121 ECOFF_PAD
122 u_long tsize;
123 u_long dsize;
124 u_long bsize;
125 u_long entry;
126 u_long text_start;
127 u_long data_start;
128 u_long bss_start;
129 ECOFF_MACHDEP;
130};
131
132struct ecoff_scnhdr { /* needed for size info */
133 char s_name[8]; /* name */
134 u_long s_paddr; /* physical addr? for ROMing?*/
135 u_long s_vaddr; /* virtual addr? */
136 u_long s_size; /* size */
137 u_long s_scnptr; /* file offset of raw data */
138 u_long s_relptr; /* file offset of reloc data */
139 u_long s_lnnoptr; /* file offset of line data */
140 u_short s_nreloc; /* # of relocation entries */
141 u_short s_nlnno; /* # of line entries */
142 u_int s_flags; /* flags */
143};
144
145struct ecoff_exechdr {
146 struct ecoff_filehdr f;
147 struct ecoff_aouthdr a;
148};
149
150#define ECOFF_HDR_SIZE (sizeof(struct ecoff_exechdr))
151
152#define ECOFF_OMAGIC 0407
153#define ECOFF_NMAGIC 0410
154#define ECOFF_ZMAGIC 0413
155
156#define ECOFF_ROUND(value, by) \
157 (((value) + (by) - 1) & ~((by) - 1))
158
159#define ECOFF_BLOCK_ALIGN(ep, value) \
160 ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_ROUND((value), ECOFF_LDPGSZ) : \
161 (value))
162
163#define ECOFF_TXTOFF(ep) \
164 ((ep)->a.magic == ECOFF_ZMAGIC ? 0 : \
165 ECOFF_ROUND(ECOFF_HDR_SIZE + (ep)->f.f_nscns * \
166 sizeof(struct ecoff_scnhdr), ECOFF_SEGMENT_ALIGNMENT(ep)))
167
168#define ECOFF_DATOFF(ep) \
169 (ECOFF_BLOCK_ALIGN((ep), ECOFF_TXTOFF(ep) + (ep)->a.tsize))
170
171#define ECOFF_SEGMENT_ALIGN(ep, value) \
172 (ECOFF_ROUND((value), ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_LDPGSZ : \
173 ECOFF_SEGMENT_ALIGNMENT(ep))))
174
175#ifdef _KERNEL
176int exec_ecoff_makecmds(struct lwp *, struct exec_package *);
177int cpu_exec_ecoff_probe(struct lwp *, struct exec_package *);
178void cpu_exec_ecoff_setregs(struct lwp *, struct exec_package *, vaddr_t);
179
180int exec_ecoff_prep_omagic(struct lwp *, struct exec_package *,
181 struct ecoff_exechdr *, struct vnode *);
182int exec_ecoff_prep_nmagic(struct lwp *, struct exec_package *,
183 struct ecoff_exechdr *, struct vnode *);
184int exec_ecoff_prep_zmagic(struct lwp *, struct exec_package *,
185 struct ecoff_exechdr *, struct vnode *);
186
187#endif /* _KERNEL */
188#endif /* !_SYS_EXEC_ECOFF_H_ */