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profile.h revision 1.9 
      1 /*	$NetBSD: profile.h,v 1.9 2000/11/22 12:39:03 leo Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1992, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the University of
     18  *	California, Berkeley and its contributors.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  *
     35  *	@(#)profile.h	8.1 (Berkeley) 6/10/93
     36  */
     37 
     38 #define	_MCOUNT_DECL static __inline void _mcount
     39 
     40 #define	MCOUNT \
     41 extern void mcount __P((void)) __asm__("mcount"); void mcount() { \
     42 	int selfpc, frompcindex; \
     43 	__asm__("movl %%a6@(4),%0" : "=r" (selfpc)); \
     44 	__asm__("movl %%a6@(0)@(4),%0" : "=r" (frompcindex)); \
     45 	_mcount(frompcindex, selfpc); \
     46 }
     47 
     48 #ifdef _KERNEL
     49 /*
     50  * The following two macros do splhigh and splx respectively.
     51  * They have to be defined this way because these are real
     52  * functions on the HP, and we do not want to invoke mcount
     53  * recursively.
     54  */
     55 #define MCOUNT_ENTER \
     56 	__asm__("movw	%%sr,%0" : "=g" (s)); \
     57 	__asm__("movw	#0x2700,%%sr")
     58 
     59 #define MCOUNT_EXIT \
     60 	__asm__("movw	%0,%%sr" : : "g" (s))
     61 #endif /* _KERNEL */
     62