HardenedBSD/libexec/rtld-elf/rtld_utrace.h

/*-
 * Copyright (c) 2007 John Baldwin
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $FreeBSD$
 */

#ifndef RTLD_UTRACE_H
#define RTLD_UTRACE_H

#include <sys/param.h>

#define	UTRACE_DLOPEN_START		1
#define	UTRACE_DLOPEN_STOP		2
#define	UTRACE_DLCLOSE_START		3
#define	UTRACE_DLCLOSE_STOP		4
#define	UTRACE_LOAD_OBJECT		5
#define	UTRACE_UNLOAD_OBJECT		6
#define	UTRACE_ADD_RUNDEP		7
#define	UTRACE_PRELOAD_FINISHED		8
#define	UTRACE_INIT_CALL		9
#define	UTRACE_FINI_CALL		10
#define	UTRACE_DLSYM_START		11
#define	UTRACE_DLSYM_STOP		12
#define	UTRACE_RTLD_ERROR		13

#define	RTLD_UTRACE_SIG_SZ		4
#define	RTLD_UTRACE_SIG			"RTLD"

struct utrace_rtld {
	char sig[RTLD_UTRACE_SIG_SZ];
	int event;
	void *handle;
	void *mapbase;			/* Used for 'parent' and 'init/fini' */
	size_t mapsize;
	int refcnt;			/* Used for 'mode' */
	char name[MAXPATHLEN];
};

#endif