Annotation of sys/sys/exec_ecoff.h, Revision 1.1.1.1
1.1 nbrk 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_ */
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