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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  * 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  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by the University of
     16  *	California, Berkeley and its contributors.
     17  * 4. Neither the name of the University nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  *
     33  *	from: @(#)profile.h	8.1 (Berkeley) 6/10/93
     34  *	$Id: profile.h,v 1.1 1994/05/13 10:40:50 mycroft Exp $
     35  */
     36 
     37 #define	_MCOUNT_DECL static inline void _mcount
     38 
     39 #define	MCOUNT \
     40 extern void mcount() asm("mcount"); void mcount() { \
     41 	int selfpc, frompcindex; \
     42 	asm("movl a6@(4),%0" : "=r" (selfpc)); \
     43 	asm("movl a6@(0)@(4),%0" : "=r" (frompcindex)); \
     44 	_mcount(frompcindex, selfpc); \
     45 }
     46 
     47 #ifdef KERNEL
     48 /*
     49  * The following two macros do splhigh and splx respectively.
     50  * They have to be defined this way because these are real
     51  * functions on the HP, and we do not want to invoke mcount
     52  * recursively.
     53  */
     54 #define MCOUNT_ENTER \
     55 	asm("movw	sr,%0" : "=g" (s)); \
     56 	asm("movw	#0x2700,sr")
     57 
     58 #define MCOUNT_EXIT \
     59 	asm("movw	%0,sr" : : "g" (s))
     60 #endif /* KERNEL */
     61