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/*-
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
* (c) UNIX System Laboratories, Inc.
* All or some portions of this file are derived from material licensed
* to the University of California by American Telephone and Telegraph
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
* the permission of UNIX System Laboratories, Inc.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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.
*
* @(#)kernel.h 8.3 (Berkeley) 1/21/94
* $Id$
*/
/* Global variables for the kernel. */
/* 1.1 */
extern long hostid;
extern char hostname[MAXHOSTNAMELEN];
extern int hostnamelen;
extern char domainname[MAXHOSTNAMELEN];
extern int domainnamelen;
/* 1.2 */
extern volatile struct timeval mono_time;
extern struct timeval boottime;
extern struct timeval runtime;
extern volatile struct timeval time;
extern struct timezone tz; /* XXX */
extern int tick; /* usec per tick (1000000 / hz) */
extern int hz; /* system clock's frequency */
extern int stathz; /* statistics clock's frequency */
extern int profhz; /* profiling clock's frequency */
extern int lbolt; /* once a second sleep address */
/*
* The following macros are used to declare global sets of objects, which
* are collected by the linker into a `struct linker_set' as defined below.
*
* NB: the constants defined below must match those defined in
* ld/ld.h. Since their calculation requires arithmetic, we
* can't name them symbolically (e.g., 23 is N_SETT | N_EXT).
*/
#define MAKE_SET(set, sym, type) \
asm(".stabs \"_" #set "\", " #type ", 0, 0, _" #sym)
#define TEXT_SET(set, sym) MAKE_SET(set, sym, 23)
#define DATA_SET(set, sym) MAKE_SET(set, sym, 25)
#define BSS_SET(set, sym) MAKE_SET(set, sym, 27)
#define ABS_SET(set, sym) MAKE_SET(set, sym, 21)
struct linker_set {
int ls_length;
caddr_t ls_items[1]; /* really ls_length of them, trailing NULL */
};
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