FreeBSD/Linux Kernel Cross Reference
sys/sys/exec_ecoff.h
1 /* $NetBSD: exec_ecoff.h,v 1.16 2003/08/08 18:54:16 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 struct ecoff_filehdr {
39 u_short f_magic; /* magic number */
40 u_short f_nscns; /* # of sections */
41 u_int f_timdat; /* time and date stamp */
42 u_long f_symptr; /* file offset of symbol table */
43 u_int f_nsyms; /* # of symbol table entries */
44 u_short f_opthdr; /* sizeof the optional header */
45 u_short f_flags; /* flags??? */
46 };
47
48 struct ecoff_aouthdr {
49 u_short magic;
50 u_short vstamp;
51 ECOFF_PAD
52 u_long tsize;
53 u_long dsize;
54 u_long bsize;
55 u_long entry;
56 u_long text_start;
57 u_long data_start;
58 u_long bss_start;
59 ECOFF_MACHDEP;
60 };
61
62 struct ecoff_scnhdr { /* needed for size info */
63 char s_name[8]; /* name */
64 u_long s_paddr; /* physical addr? for ROMing?*/
65 u_long s_vaddr; /* virtual addr? */
66 u_long s_size; /* size */
67 u_long s_scnptr; /* file offset of raw data */
68 u_long s_relptr; /* file offset of reloc data */
69 u_long s_lnnoptr; /* file offset of line data */
70 u_short s_nreloc; /* # of relocation entries */
71 u_short s_nlnno; /* # of line entries */
72 u_int s_flags; /* flags */
73 };
74
75 struct ecoff_exechdr {
76 struct ecoff_filehdr f;
77 struct ecoff_aouthdr a;
78 };
79
80 #define ECOFF_HDR_SIZE (sizeof(struct ecoff_exechdr))
81
82 #define ECOFF_OMAGIC 0407
83 #define ECOFF_NMAGIC 0410
84 #define ECOFF_ZMAGIC 0413
85
86 #define ECOFF_ROUND(value, by) \
87 (((value) + (by) - 1) & ~((by) - 1))
88
89 #define ECOFF_BLOCK_ALIGN(ep, value) \
90 ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_ROUND((value), ECOFF_LDPGSZ) : \
91 (value))
92
93 #define ECOFF_TXTOFF(ep) \
94 ((ep)->a.magic == ECOFF_ZMAGIC ? 0 : \
95 ECOFF_ROUND(ECOFF_HDR_SIZE + (ep)->f.f_nscns * \
96 sizeof(struct ecoff_scnhdr), ECOFF_SEGMENT_ALIGNMENT(ep)))
97
98 #define ECOFF_DATOFF(ep) \
99 (ECOFF_BLOCK_ALIGN((ep), ECOFF_TXTOFF(ep) + (ep)->a.tsize))
100
101 #define ECOFF_SEGMENT_ALIGN(ep, value) \
102 (ECOFF_ROUND((value), ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_LDPGSZ : \
103 ECOFF_SEGMENT_ALIGNMENT(ep))))
104
105 #ifdef _KERNEL
106 int exec_ecoff_makecmds __P((struct proc *, struct exec_package *));
107 int cpu_exec_ecoff_probe __P((struct proc *, struct exec_package *));
108 void cpu_exec_ecoff_setregs __P((struct lwp *, struct exec_package *,
109 u_long));
110
111 int exec_ecoff_prep_omagic __P((struct proc *, struct exec_package *,
112 struct ecoff_exechdr *, struct vnode *));
113 int exec_ecoff_prep_nmagic __P((struct proc *, struct exec_package *,
114 struct ecoff_exechdr *, struct vnode *));
115 int exec_ecoff_prep_zmagic __P((struct proc *, struct exec_package *,
116 struct ecoff_exechdr *, struct vnode *));
117
118 #endif /* _KERNEL */
119 #endif /* !_SYS_EXEC_ECOFF_H_ */
Cache object: a09a4d4485ed8d85ea3cc5c1557e419e
|