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profile.h revision 1.1 
      1 /*
      2  * Copyright (c) 1992, 1993
      3  *	The Regents of the University of California.  All rights reserved.
      4  *
      5  * This software was developed by the Computer Systems Engineering group
      6  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
      7  * contributed to Berkeley.
      8  *
      9  * All advertising materials mentioning features or use of this software
     10  * must display the following acknowledgement:
     11  *	This product includes software developed by the University of
     12  *	California, Lawrence Berkeley Laboratory.
     13  *
     14  * Redistribution and use in source and binary forms, with or without
     15  * modification, are permitted provided that the following conditions
     16  * are met:
     17  * 1. Redistributions of source code must retain the above copyright
     18  *    notice, this list of conditions and the following disclaimer.
     19  * 2. Redistributions in binary form must reproduce the above copyright
     20  *    notice, this list of conditions and the following disclaimer in the
     21  *    documentation and/or other materials provided with the distribution.
     22  * 3. All advertising materials mentioning features or use of this software
     23  *    must display the following acknowledgement:
     24  *	This product includes software developed by the University of
     25  *	California, Berkeley and its contributors.
     26  * 4. Neither the name of the University nor the names of its contributors
     27  *    may be used to endorse or promote products derived from this software
     28  *    without specific prior written permission.
     29  *
     30  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     31  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     32  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     33  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     34  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     35  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     36  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     37  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     38  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     39  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     40  * SUCH DAMAGE.
     41  *
     42  *	@(#)profile.h	8.1 (Berkeley) 6/11/93
     43  *
     44  * from: Header: profile.h,v 1.8 92/11/26 02:04:41 torek Exp
     45  * $Id: profile.h,v 1.1 1993/10/02 10:23:21 deraadt Exp $
     46  */
     47 
     48 #define MCOUNT \
     49         asm(".global mcount");\
     50         asm("mcount:");\
     51         asm("add %i7, 8, %o0");\
     52         asm("sethi %hi(__mcount), %o2");\
     53         asm("jmpl %o2 + %lo(__mcount), %g0");\
     54         asm("add %o7, 8, %o1");
     55 
     56 #define	_MCOUNT_DECL	static void _mcount
     57 
     58 #ifdef KERNEL
     59 /*
     60  * Block interrupts during mcount so that those interrupts can also be
     61  * counted (as soon as we get done with the current counting).  On the
     62  * SPARC, we just splhigh/splx as those do not recursively invoke mcount.
     63  */
     64 #define	MCOUNT_ENTER	s = splhigh()
     65 #define	MCOUNT_EXIT	splx(s)
     66 #endif /* KERNEL */
     67