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profile.h revision 1.5 
      1  1.5  ragge /*      $NetBSD: profile.h,v 1.5 1995/12/31 12:15:58 ragge Exp $ */
      2  1.1  ragge /*
      3  1.3  ragge  * Copyright (c) 1992 The Regents of the University of California.
      4  1.1  ragge  * All rights reserved.
      5  1.1  ragge  *
      6  1.1  ragge  * Redistribution and use in source and binary forms, with or without
      7  1.1  ragge  * modification, are permitted provided that the following conditions
      8  1.1  ragge  * are met:
      9  1.1  ragge  * 1. Redistributions of source code must retain the above copyright
     10  1.1  ragge  *    notice, this list of conditions and the following disclaimer.
     11  1.1  ragge  * 2. Redistributions in binary form must reproduce the above copyright
     12  1.1  ragge  *    notice, this list of conditions and the following disclaimer in the
     13  1.1  ragge  *    documentation and/or other materials provided with the distribution.
     14  1.1  ragge  * 3. All advertising materials mentioning features or use of this software
     15  1.1  ragge  *    must display the following acknowledgement:
     16  1.3  ragge  *      This product includes software developed by the University of
     17  1.3  ragge  *      California, Berkeley and its contributors.
     18  1.3  ragge  * 4. Neither the name of the University nor the names of its contributors
     19  1.3  ragge  *    may be used to endorse or promote products derived from this software
     20  1.3  ragge  *    without specific prior written permission.
     21  1.1  ragge  *
     22  1.3  ragge  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     23  1.3  ragge  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24  1.3  ragge  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25  1.3  ragge  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     26  1.3  ragge  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     27  1.3  ragge  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     28  1.3  ragge  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29  1.3  ragge  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30  1.3  ragge  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31  1.3  ragge  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32  1.3  ragge  * SUCH DAMAGE.
     33  1.3  ragge  *
     34  1.3  ragge  *      @(#)profile.h   7.1 (Berkeley) 7/16/92
     35  1.1  ragge  */
     36  1.1  ragge 
     37  1.5  ragge /*
     38  1.5  ragge  * _mcount can't be declared static, gcc will optimize it away then.
     39  1.5  ragge  */
     40  1.5  ragge #define _MCOUNT_DECL void _mcount
     41  1.2  ragge 
     42  1.5  ragge /*
     43  1.5  ragge  * Note here: the second argument to __mcount() is pc when mcount
     44  1.5  ragge  * was called. Because it's already on the stack we only have to
     45  1.5  ragge  * push previous pc _and_ tell calls that it is only one argument
     46  1.5  ragge  * to __mcount, so that our return address won't get popped from stack.
     47  1.5  ragge  */
     48  1.2  ragge #define MCOUNT \
     49  1.3  ragge asm(".text; .globl mcount; mcount: pushl 16(fp); calls $1,__mcount; rsb");
     50  1.2  ragge 
     51  1.4    jtc #ifdef _KERNEL
     52  1.2  ragge /*
     53  1.2  ragge  * Note that we assume splhigh() and splx() cannot call mcount()
     54  1.2  ragge  * recursively.
     55  1.2  ragge  */
     56  1.2  ragge #define MCOUNT_ENTER    s = splhigh()
     57  1.2  ragge #define MCOUNT_EXIT     splx(s)
     58  1.4    jtc #endif /* _KERNEL */
     59