FreeBSD/Linux Kernel Cross Reference
sys/sys/link_elf.h
1 /*
2 * Copyright (c) 1993 Paul Kranenburg
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Paul Kranenburg.
16 * 4. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 *
30 * $FreeBSD: releng/5.0/sys/sys/link_elf.h 102284 2002-08-22 20:35:23Z peter $
31 */
32
33 /*
34 * RRS section definitions.
35 *
36 * The layout of some data structures defined in this header file is
37 * such that we can provide compatibility with the SunOS 4.x shared
38 * library scheme.
39 */
40
41 #ifndef _SYS_LINK_ELF_H_
42 #define _SYS_LINK_ELF_H_
43
44 #include <sys/types.h>
45
46 struct link_map {
47 caddr_t l_addr; /* Base Address of library */
48 #ifdef __mips__
49 caddr_t l_offs; /* Load Offset of library */
50 #endif
51 const char *l_name; /* Absolute Path to Library */
52 const void *l_ld; /* Pointer to .dynamic in memory */
53 struct link_map *l_next, *l_prev; /* linked list of of mapped libs */
54 };
55
56 struct r_debug {
57 int r_version; /* not used */
58 struct link_map *r_map; /* list of loaded images */
59 void (*r_brk)(struct r_debug *, struct link_map *);
60 /* pointer to break point */
61 enum {
62 RT_CONSISTENT, /* things are stable */
63 RT_ADD, /* adding a shared library */
64 RT_DELETE /* removing a shared library */
65 } r_state;
66 };
67
68 #endif /* _SYS_LINK_ELF_H_ */
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