xref: /freebsd/libexec/rtld-elf/rtld_utrace.h (revision b3e7694832e81d7a904a10f525f8797b753bf0d3)
1 /*-
2  * Copyright (c) 2007 John Baldwin
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  * 3. Neither the name of the University nor the names of its contributors
13  *    may be used to endorse or promote products derived from this software
14  *    without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 RTLD_UTRACE_H
30 #define RTLD_UTRACE_H
31 
32 #include <sys/param.h>
33 
34 #define	UTRACE_DLOPEN_START		1
35 #define	UTRACE_DLOPEN_STOP		2
36 #define	UTRACE_DLCLOSE_START		3
37 #define	UTRACE_DLCLOSE_STOP		4
38 #define	UTRACE_LOAD_OBJECT		5
39 #define	UTRACE_UNLOAD_OBJECT		6
40 #define	UTRACE_ADD_RUNDEP		7
41 #define	UTRACE_PRELOAD_FINISHED		8
42 #define	UTRACE_INIT_CALL		9
43 #define	UTRACE_FINI_CALL		10
44 #define	UTRACE_DLSYM_START		11
45 #define	UTRACE_DLSYM_STOP		12
46 #define	UTRACE_RTLD_ERROR		13
47 
48 #define	RTLD_UTRACE_SIG_SZ		4
49 #define	RTLD_UTRACE_SIG			"RTLD"
50 
51 struct utrace_rtld {
52 	char sig[RTLD_UTRACE_SIG_SZ];
53 	int event;
54 	void *handle;
55 	void *mapbase;			/* Used for 'parent' and 'init/fini' */
56 	size_t mapsize;
57 	int refcnt;			/* Used for 'mode' */
58 	char name[MAXPATHLEN];
59 };
60 
61 #endif
62