Home | History | Annotate | Line # | Download | only in include
profile.h revision 1.2 
      1 /*	$NetBSD: profile.h,v 1.2 2003/08/07 16:26:36 agc 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. Neither the name of the University nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this software
     17  *    without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  *
     31  *	@(#)profile.h	8.1 (Berkeley) 6/11/93
     32  */
     33 
     34 #define	_MCOUNT_DECL static __inline void _mcount
     35 
     36 #define MCOUNT_ENTRY	"__mcount"
     37 #define MCOUNT_COMPAT	__weak_alias(mcount, __mcount)
     38 
     39 /*
     40  * XXXfvdl this is screwed by -fomit-frame-pointer being included in
     41  * -O.
     42  */
     43 #define	MCOUNT \
     44 MCOUNT_COMPAT								\
     45 extern void mcount __P((void)) __asm__(MCOUNT_ENTRY);			\
     46 void									\
     47 mcount()								\
     48 {									\
     49 	_mcount((u_long)__builtin_return_address(1),			\
     50 		(u_long)__builtin_return_address(0)); 			\
     51 }
     52 
     53 
     54 #ifdef _KERNEL
     55 /*
     56  * Note that we assume splhigh() and splx() cannot call mcount()
     57  * recursively.
     58  */
     59 #define	MCOUNT_ENTER	s = splhigh()
     60 #define	MCOUNT_EXIT	splx(s)
     61 #endif /* _KERNEL */
     62