xref: /freebsd/sys/compat/linux/linux_misc.h (revision 830940567b49bb0c08dfaed40418999e76616909)
1 /*-
2  * Copyright (c) 2006 Roman Divacky
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  *    in this position and unchanged.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. The name of the author may not be used to endorse or promote products
15  *    derived from this software without specific prior written permission
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  *
28  * $FreeBSD$
29  */
30 
31 #ifndef _LINUX_MISC_H_
32 #define	_LINUX_MISC_H_
33 
34 /* defines for prctl */
35 #define	LINUX_PR_SET_PDEATHSIG  1	/* Second arg is a signal. */
36 #define	LINUX_PR_GET_PDEATHSIG  2	/*
37 					 * Second arg is a ptr to return the
38 					 * signal.
39 					 */
40 #define	LINUX_PR_SET_NAME	15	/* Set process name. */
41 #define	LINUX_PR_GET_NAME	16	/* Get process name. */
42 
43 #define	LINUX_MAX_COMM_LEN	16	/* Maximum length of the process name. */
44 
45 #define	LINUX_MREMAP_MAYMOVE	1
46 #define	LINUX_MREMAP_FIXED	2
47 
48 extern const char *linux_platform;
49 
50 /*
51  * Non-standard aux entry types used in Linux ELF binaries.
52  */
53 
54 #define	LINUX_AT_PLATFORM	15	/* String identifying CPU */
55 #define	LINUX_AT_HWCAP		16	/* CPU capabilities */
56 #define	LINUX_AT_CLKTCK		17	/* frequency at which times() increments */
57 #define	LINUX_AT_SECURE		23	/* secure mode boolean */
58 #define	LINUX_AT_BASE_PLATFORM	24	/* string identifying real platform, may
59 					 * differ from AT_PLATFORM.
60 					 */
61 #define	LINUX_AT_EXECFN		31	/* filename of program */
62 
63 /* Linux sets the i387 to extended precision. */
64 #if defined(__i386__) || defined(__amd64__)
65 #define	__LINUX_NPXCW__		0x37f
66 #endif
67 
68 extern int stclohz;
69 
70 #endif	/* _LINUX_MISC_H_ */
71