xref: /freebsd/include/elf-hints.h (revision f81cdf24ba5436367377f7c8e8f51f6df2a75ca7)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 1997 John D. Polstra.
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  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #ifndef	_ELF_HINTS_H_
30 #define	_ELF_HINTS_H_
31 
32 /*
33  * Hints file produced by ldconfig.
34  */
35 struct elfhints_hdr {
36 	u_int32_t	magic;		/* Magic number */
37 	u_int32_t	version;	/* File version (1) */
38 	u_int32_t	strtab;		/* Offset of string table in file */
39 	u_int32_t	strsize;	/* Size of string table */
40 	u_int32_t	dirlist;	/* Offset of directory list in
41 					   string table */
42 	u_int32_t	dirlistlen;	/* strlen(dirlist) */
43 	u_int32_t	spare[26];	/* Room for expansion */
44 };
45 
46 #define ELFHINTS_MAGIC	0x746e6845
47 
48 #ifndef _PATH_ELF_HINTS
49 #define _PATH_ELF_HINTS	"/var/run/ld-elf.so.hints"
50 #endif
51 
52 #endif /* !_ELF_HINTS_H_ */
53